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Keijo Häkkinen

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Simon Walker; Heikki Peltonen; Janne Avela; Keijo Häkkinen
Neuromuscular fatigue in young and older men using constant or variable resistance.
Antti Mero; T Ridanpää; H Salmijärvi; Juha P Ahtiainen; Keijo Häkkinen; M Haverinen; J Holviala; Juha J Hulmi; M Katajavuori; Vuokko Kovanen; Harri Selänne
Resistance training induced increase in muscle fiber size in young and older men.
V Vesterinen; Keijo Häkkinen; L Hokka; E Hynynen; Jouni Mikkola; Ari Nummela
Heart rate variability in prediction of individual adaptation to endurance training in recreational endurance runners.

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All Publications

2013: Simon Walker; Heikki Peltonen; Janne Avela; Keijo Häkkinen
Neuromuscular fatigue in young and older men using constant or variable resistance.
European journal of applied physiology 2013;113(4):1069-79.
2013: Antti Mero; T Ridanpää; H Salmijärvi; Juha P Ahtiainen; Keijo Häkkinen; M Haverinen; J Holviala; Juha J Hulmi; M Katajavuori; Vuokko Kovanen; Harri Selänne
Resistance training induced increase in muscle fiber size in young and older men.
European journal of applied physiology 2013;113(3):641-50.
2013: V Vesterinen; Keijo Häkkinen; L Hokka; E Hynynen; Jouni Mikkola; Ari Nummela
Heart rate variability in prediction of individual adaptation to endurance training in recreational endurance runners.
Scandinavian journal of medicine & science in sports 2013;23(2):171-80.
2013: Matti Santtila; Kai Pihlainen; Keijo Häkkinen; Heikki Kyröläinen
Comparison between direct and predicted maximal oxygen uptake measurement during cycling.
Military medicine 2013;178(2):234-8.
2013: Heikki Peltonen; Keijo Häkkinen; Janne Avela
Neuromuscular responses to different resistance loading protocols using pneumatic and weight stack devices.
Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology 2013;23(1):118-24.
2013: R S Taipale; V Vesterinen; Jouni Mikkola; Ari Nummela; Keijo Häkkinen
Neuromuscular adaptations during combined strength and endurance training in endurance runners: maximal versus explosive strength training or a mix of both.
European journal of applied physiology 2013;113(2):325-35.
2013: Ritva S Taipale; Keijo Häkkinen
Acute hormonal and force responses to combined strength and endurance loadings in men and women: the "order effect".
PloS one 2013;8(2):e55051.
2013: Olli Tikkanen; Piia Haakana; Keijo Häkkinen; Marko Havu; Arto J Pesola; Teemu Pullinen; Timo Rantalainen; Taija Finni
Muscle activity and inactivity periods during normal daily life.
PloS one 2013;8(1):e52228.
2012: Elina Sillanpää; Keijo Häkkinen; J Holviala; Arja Häkkinen
Combined strength and endurance training improves health-related quality of life in healthy middle-aged and older adults.
International journal of sports medicine 2012;33(12):981-6.
2012: Megan R Wolf; Hui-Ying Luk; Carl M Maresh; Tunde K Szivak; Jeff S Volek; Jeffrey M Anderson; Brett A Comstock; Craig R Denegar; Courtenay Dunn-Lewis; Maren S Fragala; Keijo Häkkinen; David R Hooper; William J Kraemer
Sex differences in creatine kinase after acute heavy resistance exercise on circulating granulocyte estradiol receptors.
European journal of applied physiology 2012;112(9):3335-40.
2012: Jani P Vaara; Arja Häkkinen; Sheila Kocay; Heikki Kyröläinen; Jaakko Niemi; Olli Ohrankämmen; Keijo Häkkinen
Associations of maximal strength and muscular endurance test scores with cardiorespiratory fitness and body composition.
Journal of strength and conditioning research / National Strength & Conditioning Association 2012;26(8):2078-86.
2012: Simon Walker; Janne Avela; Lisa Davis; Keijo Häkkinen
Neuromuscular fatigue during dynamic maximal strength and hypertrophic resistance loadings.
Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology 2012;22(3):356-62.
2012: Petri Salo; Jari Ylinen; Keijo Häkkinen; Hannu Kautiainen; Arja Häkkinen
Neck muscle strength and mobility of the cervical spine as predictors of neck pain: a prospective 6-year study.
Spine 2012;37(12):1036-40.
2012: J Holviala; H Karppinen; A Kauhanen; William J Kraemer; Elina Sillanpää; Janne Avela; Arja Häkkinen; Keijo Häkkinen
Effects of strength, endurance and combined training on muscle strength, walking speed and dynamic balance in aging men.
European journal of applied physiology 2012;112(4):1335-47.
2012: Juha J Hulmi; William J Kraemer; Kai Nyman; S Walker; Juha P Ahtiainen; Keijo Häkkinen
Molecular signaling in muscle is affected by the specificity of resistance exercise protocol.
Scandinavian journal of medicine & science in sports 2012;22(2):240-8.
2012: Matti Santtila; Bradley C Nindl; Keijo Häkkinen; Heikki Kyröläinen
Cardiovascular and neuromuscular performance responses induced by 8 weeks of basic training followed by 8 weeks of specialized military training.
Journal of strength and conditioning research / National Strength & Conditioning Association 2012;26(3):745-51.
2012: Antti Huuskonen; Heikki Kyröläinen; Jani Lappalainen; Niku K J Oksala; Matti Santtila; Keijo Häkkinen; Mustafa Atalay
Aerobic fitness does not modify the effect of FTO variation on body composition traits.
PloS one 2012;7(12):e51635.
2012: Minna M Tanskanen; Arja L Uusitalo; Klaas R Westerterp; Mustafa Atalay; Keijo Häkkinen; Hannu O Kinnunen; Heikki Kyröläinen
Effects of easy-to-use protein-rich energy bar on energy balance, physical activity and performance during 8 days of sustained physical exertion.
PloS one 2012;7(10):e47771.
2012: Sami Tarnanen; Kimmo Vihtonen; Joost Dekker; Keijo Häkkinen; Marko H Neva; Liisa Pekkanen; Arja Häkkinen
Randomized controlled trial of postoperative exercise rehabilitation program after lumbar spine fusion: study protocol.
BMC musculoskeletal disorders 2012;13():123.
2011: Tomi Vänttinen; Kai Nyman; Minna Blomqvist; Keijo Häkkinen
Changes in body composition, hormonal status, and physical fitness in 11-, 13-, and 15-year-old Finnish regional youth soccer players during a two-year follow-up.
Journal of strength and conditioning research / National Strength & Conditioning Association 2011;25(12):3342-51.
2011: Antti Huuskonen; Heikki Kyröläinen; Jani Lappalainen; Niku Oksala; Matti Santtila; Keijo Häkkinen; Mustafa Atalay
Common genetic variation in the IGF1 associates with maximal force output.
Medicine and science in sports and exercise 2011;43(12):2368-74.
2011: Maren S Fragala; Keijo Häkkinen; William J Kraemer; Elaine C Lee; Jeffrey M Anderson; Craig R Denegar; Andrea M Mastro; Jeff S Volek; Carl M Maresh
Leukocyte β2-adrenergic receptor expression in response to resistance exercise.
Medicine and science in sports and exercise 2011;43(8):1422-32.
2011: L Karavirta; A Kauhanen; William J Kraemer; Arto Pakarinen; Elina Sillanpää; Markku Alen; David García-López; Esteban M Gorostiaga; A Haapasaari; Arja Häkkinen; M Izquierdo; Keijo Häkkinen
Effects of combined endurance and strength training on muscle strength, power and hypertrophy in 40-67-year-old men.
Scandinavian journal of medicine & science in sports 2011;21(3):402-11.
2011: Simon Walker; Heikki Peltonen; Janne Avela; Keijo Häkkinen
Kinetic and electromyographic analysis of single repetition constant and variable resistance leg press actions.
Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology 2011;21(2):262-9.
2011: Juha P Ahtiainen; Maarit Lehti; Juha J Hulmi; William J Kraemer; Markku Alen; Kai Nyman; Harri Selänne; Arto Pakarinen; Jyrki Komulainen; Vuokko Kovanen; Antti Mero; Keijo Häkkinen
Recovery after heavy resistance exercise and skeletal muscle androgen receptor and insulin-like growth factor-I isoform expression in strength trained men.
Journal of strength and conditioning research / National Strength & Conditioning Association 2011;25(3):767-77.
2011: J Holviala; Arja Häkkinen; Kai Nyman; J Aho; L Karavirta; Keijo Häkkinen
Load carrying walking test and its relationships to endurance and neuromuscular capabilities in women and men of different ages.
The Journal of sports medicine and physical fitness 2011;51(1):136-44.
2011: Laura Karavirta; Keijo Häkkinen; Antti Kauhanen; Alfredo Arija-Blázquez; Elina Sillanpää; Niina Rinkinen; Arja Häkkinen
Individual responses to combined endurance and strength training in older adults.
Medicine and science in sports and exercise 2011;43(3):484-90.
2011: Minna M Tanskanen; Heikki Kyröläinen; Arja L Uusitalo; Jukka Huovinen; Juuso Nissilä; Hannu Kinnunen; Mustafa Atalay; Keijo Häkkinen
Serum sex hormone-binding globulin and cortisol concentrations are associated with overreaching during strenuous military training.
Journal of strength and conditioning research / National Strength & Conditioning Association 2011;25(3):787-97.
2011: Maren S Fragala; William J Kraemer; Andrea M Mastro; Craig R Denegar; Jeff S Volek; Brian R Kupchak; Keijo Häkkinen; Jeffrey M Anderson; Carl M Maresh
Glucocorticoid receptor expression on human B cells in response to acute heavy resistance exercise.
Neuroimmunomodulation 2011;18(3):156-64.
2011: Juha P Ahtiainen; Juha J Hulmi; William J Kraemer; Maarit Lehti; Kai Nyman; Harri Selänne; Markku Alen; Arto Pakarinen; Jyrki Komulainen; Vuokko Kovanen; Antti Mero; Keijo Häkkinen
Heavy resistance exercise training and skeletal muscle androgen receptor expression in younger and older men.
Steroids 2011;76(1-2):183-92.
2011: Simon Walker; Ritva S Taipale; Kai Nyman; William J Kraemer; Keijo Häkkinen
Neuromuscular and hormonal responses to constant and variable resistance loadings.
Medicine and science in sports and exercise 2011;43(1):26-33.
2010: Patrick G Dixon; William J Kraemer; Jeff S Volek; Robert L Howard; Ana L Gomez; Brett A Comstock; Courtenay Dunn-Lewis; Maren S Fragala; David R Hooper; Keijo Häkkinen; Carl M Maresh
The impact of cold-water immersion on power production in the vertical jump and the benefits of a dynamic exercise warm-up.
Journal of strength and conditioning research / National Strength & Conditioning Association 2010;24(12):3313-7.
2010: Jen-Yu Ho; William J Kraemer; Jeff S Volek; Maren S Fragala; Gwendolyn A Thomas; Courtenay Dunn-Lewis; Michael Coday; Keijo Häkkinen; Carl M Maresh
l-Carnitine l-tartrate supplementation favorably affects biochemical markers of recovery from physical exertion in middle-aged men and women.
Metabolism: clinical and experimental 2010;59(8):1190-9.
2010: Ilias Smilios; Keijo Häkkinen; Savvas P Tokmakidis
Power output and electromyographic activity during and after a moderate load muscular endurance session.
Journal of strength and conditioning research / National Strength & Conditioning Association 2010;24(8):2122-31.
2010: R S Taipale; Jouni Mikkola; Ari Nummela; V Vesterinen; B Capostagno; S Walker; D Gitonga; William J Kraemer; Keijo Häkkinen
Strength training in endurance runners.
International journal of sports medicine 2010;31(7):468-76.
2010: T Vänttinen; M Blomqvist; P Luhtanen; Keijo Häkkinen
Effects of age and soccer expertise on general tests of perceptual and motor performance among adolescent soccer players.
Perceptual and motor skills 2010;110(3 Pt 1):675-92.
2010: Jarkko Holviala; Arja Häkkinen; Laura Karavirta; Kai Nyman; Mikel Izquierdo; Esteban M Gorostiaga; Janne Avela; Janne Korhonen; Veli-Pekka Knuutila; William J Kraemer; Keijo Häkkinen
Effects of combined strength and endurance training on treadmill load carrying walking performance in aging men.
Journal of strength and conditioning research / National Strength & Conditioning Association 2010;24(6):1584-95.
2010: S Walker; Juha P Ahtiainen; Keijo Häkkinen
Acute neuromuscular and hormonal responses during contrast loading: effect of 11 weeks of contrast training.
Scandinavian journal of medicine & science in sports 2010;20(2):226-34.
2010: Jacob E Earp; M Joseph; William J Kraemer; Robert Newton; Brett A Comstock; Maren S Fragala; Courtenay Dunn-Lewis; Glenn Solomon-Hill; Zachary R Penwell; Matthew D Powell; Jeff S Volek; Craig R Denegar; Keijo Häkkinen; Carl M Maresh
Lower-body muscle structure and its role in jump performance during squat, countermovement, and depth drop jumps.
Journal of strength and conditioning research / National Strength & Conditioning Association 2010;24(3):722-9.
2010: Michelle E Bower; William J Kraemer; Jeffrey A Potteiger; Jeff S Volek; Disa A Hatfield; Jakob L Vingren; Barry A Spiering; Maren S Fragala; Jen-Yu Ho; Gwendolyn A Thomas; Jacob E Earp; Keijo Häkkinen; Carl M Maresh
Relationship between off-ice testing variables and on-ice speed in women's collegiate synchronized figure skaters: implications for training.
Journal of strength and conditioning research / National Strength & Conditioning Association 2010;24(3):831-9.
2010: Elina Sillanpää; Arja Häkkinen; D E Laaksonen; L Karavirta; William J Kraemer; Keijo Häkkinen
Serum basal hormone concentrations, nutrition and physical fitness during strength and/or endurance training in 39-64-year-old women.
International journal of sports medicine 2010;31(2):110-7.
2010: Arja Häkkinen; Marjo Rinne; Tommi Vasankari; Matti Santtila; Keijo Häkkinen; Heikki Kyröläinen
Association of physical fitness with health-related quality of life in Finnish young men.
Health and quality of life outcomes 2010;8():15.
2010: Arja Häkkinen; Håkan Borg; Hannu Kautiainen; Esa Anttila; Keijo Häkkinen; Jari Ylinen; Ilkka Kiviranta
Muscle strength and range of movement deficits 1 year after hip resurfacing surgery using posterior approach.
Disability and rehabilitation 2010;32(6):483-91.
2010: Matthew J Migiano; Jakob L Vingren; Jeff S Volek; Carl M Maresh; Maren S Fragala; Jen-Yu Ho; Gwendolyn A Thomas; Disa L Hatfield; Keijo Häkkinen; Juha Ahtiainen; Jacob E Earp; William J Kraemer
Endocrine response patterns to acute unilateral and bilateral resistance exercise in men.
Journal of strength and conditioning research / National Strength & Conditioning Association 2010;24(1):128-34.
2010: William J Kraemer; Michael F Joseph; Jeff S Volek; Jay R Hoffman; Nicholas A Ratamess; Robert Newton; Maren S Fragala; Duncan N French; Martyn A Rubin; Timothy P Scheett; Michael R McGuigan; Gwendolyn A Thomas; Ana L Gomez; Keijo Häkkinen; Carl M Maresh
Endogenous opioid peptide responses to opioid and anti-inflammatory medications following eccentric exercise-induced muscle damage.
Peptides 2010;31(1):88-93.
2010: Juha P Ahtiainen; Merja Hoffren; Juha J Hulmi; Mikko Pietikäinen; Antti Mero; Janne Avela; Keijo Häkkinen
Panoramic ultrasonography is a valid method to measure changes in skeletal muscle cross-sectional area.
European journal of applied physiology 2010;108(2):273-9.
2009: Milan Sedliak; Taija Finni; Sulin Cheng; Markus Lind; Keijo Häkkinen
Effect of time-of-day-specific strength training on muscular hypertrophy in men.
Journal of strength and conditioning research / National Strength & Conditioning Association 2009;23(9):2451-7.
2009: Juha P Ahtiainen; Juha J Hulmi; William J Kraemer; M Lehti; Arto Pakarinen; Antti Mero; L Karavirta; Elina Sillanpää; Harri Selänne; Markku Alen; Jyrki Komulainen; Vuokko Kovanen; Kai Nyman; Keijo Häkkinen
Strength, [corrected] endurance or combined training elicit diverse skeletal muscle myosin heavy chain isoform proportion but unaltered androgen receptor concentration in older men.
International journal of sports medicine 2009;30(12):879-87.
2009: Elina Sillanpää; Arja Häkkinen; K Punnonen; Keijo Häkkinen; D E Laaksonen
Effects of strength and endurance training on metabolic risk factors in healthy 40-65-year-old men.
Scandinavian journal of medicine & science in sports 2009;19(6):885-95.
2009: M Tanskanen; A L T Uusitalo; Keijo Häkkinen; J Nissilä; Matti Santtila; K R Westerterp; Heikki Kyröläinen
Aerobic fitness, energy balance, and body mass index are associated with training load assessed by activity energy expenditure.
Scandinavian journal of medicine & science in sports 2009;19(6):871-8.
2009: Jakob L Vingren; William J Kraemer; Disa L Hatfield; Jeff S Volek; Nicholas A Ratamess; Jeffrey M Anderson; Keijo Häkkinen; Juha Ahtiainen; Maren S Fragala; Gwendolyn A Thomas; Jen-Yu Ho; Carl M Maresh
Effect of resistance exercise on muscle steroid receptor protein content in strength-trained men and women.
Steroids 2009;74(13-14):1033-9.
2009: Amy S McCullough; William J Kraemer; Jeff S Volek; Glenn F Solomon-Hill; Disa L Hatfield; Jakob L Vingren; Jen-Yu Ho; Maren S Fragala; Gwendolyn A Thomas; Keijo Häkkinen; Carl M Maresh
Factors affecting flutter kicking speed in women who are competitive and recreational swimmers.
Journal of strength and conditioning research / National Strength & Conditioning Association 2009;23(7):2130-6.
2009: Matti Santtila; Heikki Kyröläinen; Keijo Häkkinen
Serum hormones in soldiers after basic training: effect of added strength or endurance regimens.
Aviation, space, and environmental medicine 2009;80(7):615-20.
2009: Juha P Ahtiainen; Keijo Häkkinen
Strength athletes are capable to produce greater muscle activation and neural fatigue during high-intensity resistance exercise than nonathletes.
Journal of strength and conditioning research / National Strength & Conditioning Association 2009;23(4):1129-34.
2009: Laura Karavirta; Mikko P Tulppo; David E Laaksonen; Kai Nyman; Raija T Laukkanen; Hannu Kinnunen; Arja Häkkinen; Keijo Häkkinen
Heart rate dynamics after combined endurance and strength training in older men.
Medicine and science in sports and exercise 2009;41(7):1436-43.
2009: Juha J Hulmi; Vuokko Kovanen; Harri Selänne; William J Kraemer; Keijo Häkkinen; Antti Mero
Acute and long-term effects of resistance exercise with or without protein ingestion on muscle hypertrophy and gene expression.
Amino acids 2009;37(2):297-308.
2009: William J Kraemer; Jakob L Vingren; Mark D Schuenke; John J Kopchick; Jeff S Volek; Maren S Fragala; Keijo Häkkinen; Gwendolyn A Thomas; Robert S Staron
Effect of circulating growth hormone on muscle IGF-I protein concentration in female mice with growth hormone receptor gene disruption.
Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society 2009;19(3):242-4.
2009: Timo Ojasto; Keijo Häkkinen
Effects of different accentuated eccentric loads on acute neuromuscular, growth hormone, and blood lactate responses during a hypertrophic protocol.
Journal of strength and conditioning research / National Strength & Conditioning Association 2009;23(3):946-53.
2009: Timo Ojasto; Keijo Häkkinen
Effects of different accentuated eccentric load levels in eccentric-concentric actions on acute neuromuscular, maximal force, and power responses.
Journal of strength and conditioning research / National Strength & Conditioning Association 2009;23(3):996-1004.
2009: William J Kraemer; Disa L Hatfield; Jeff S Volek; Maren S Fragala; Jakob L Vingren; Jeffrey M Anderson; Barry A Spiering; Gwendolyn A Thomas; Jen-Yu Ho; Erin E Quann; Mikel Izquierdo; Keijo Häkkinen; Carl M Maresh
Effects of amino acids supplement on physiological adaptations to resistance training.
Medicine and science in sports and exercise 2009;41(5):1111-21.
2009: Elina Sillanpää; David E Laaksonen; Arja Häkkinen; Laura Karavirta; Benjamin Jensen; William J Kraemer; Kai Nyman; Keijo Häkkinen
Body composition, fitness, and metabolic health during strength and endurance training and their combination in middle-aged and older women.
European journal of applied physiology 2009;106(2):285-96.
2009: Barry A Spiering; William J Kraemer; Jakob L Vingren; Nicholas A Ratamess; Jeffrey M Anderson; Lawrence E Armstrong; Bradley C Nindl; Jeff S Volek; Keijo Häkkinen; Carl M Maresh
Elevated endogenous testosterone concentrations potentiate muscle androgen receptor responses to resistance exercise.
The Journal of steroid biochemistry and molecular biology 2009;114(3-5):195-9.
2009: Marko T Korhonen; Antti Mero; Markku Alén; Sarianna Sipilä; Keijo Häkkinen; Tuomas Liikavainio; Jukka T Viitasalo; Marko T Haverinen; Harri Suominen
Biomechanical and skeletal muscle determinants of maximum running speed with aging.
Medicine and science in sports and exercise 2009;41(4):844-56.
2009: Antti Leskinen; Keijo Häkkinen; Mikko Virmavirta; Juha Isolehto; Heikki Kyröläinen
Comparison of running kinematics between elite and national-standard 1500-m runners.
Sports biomechanics / International Society of Biomechanics in Sports 2009;8(1):1-9.
2009: William J Kraemer; Barry A Spiering; Jeff S Volek; Gerard J Martin; Robert L Howard; Nicholas A Ratamess; Disa L Hatfield; Jakob L Vingren; Jen-Yu Ho; Maren S Fragala; Gwendolyn A Thomas; Duncan N French; Jeffrey M Anderson; Keijo Häkkinen; Carl M Maresh
Recovery from a national collegiate athletic association division I football game: muscle damage and hormonal status.
Journal of strength and conditioning research / National Strength & Conditioning Association 2009;23(1):2-10.
2008: Kaisu Martinmäki; Keijo Häkkinen; Jouni Mikkola; Heikki Rusko
Effect of low-dose endurance training on heart rate variability at rest and during an incremental maximal exercise test.
European journal of applied physiology 2008;104(3):541-8.
2008: Heli Valkeinen; Markku Alén; Arja Häkkinen; Pekka Hannonen; Katriina Kukkonen-Harjula; Keijo Häkkinen
Effects of concurrent strength and endurance training on physical fitness and symptoms in postmenopausal women with fibromyalgia: a randomized controlled trial.
Archives of physical medicine and rehabilitation 2008;89(9):1660-6.
2008: Barry A Spiering; William J Kraemer; Disa L Hatfield; Jakob L Vingren; Maren S Fragala; Jen-Yu Ho; Gwendolyn A Thomas; Keijo Häkkinen; Jeff S Volek
Effects of L-carnitine L-tartrate supplementation on muscle oxygenation responses to resistance exercise.
Journal of strength and conditioning research / National Strength & Conditioning Association 2008;22(4):1130-5.
2008: Earlando M Torres; William J Kraemer; Jakob L Vingren; Jeff S Volek; Disa L Hatfield; Barry A Spiering; Jen-Yu Ho; Maren S Fragala; Gwendolyn A Thomas; Jeffrey M Anderson; Keijo Häkkinen; Carl M Maresh
Effects of stretching on upper-body muscular performance.
Journal of strength and conditioning research / National Strength & Conditioning Association 2008;22(4):1279-85.
2008: Heikki Kyröläinen; Keijo Häkkinen; Hannu Kautiainen; Matti Santtila; Kai Pihlainen; Arja Häkkinen
Physical fitness, BMI and sickness absence in male military personnel.
Occupational medicine (Oxford, England) 2008;58(4):251-6.
2008: Juha J Hulmi; Juha P Ahtiainen; Harri Selänne; Jeff S Volek; Keijo Häkkinen; Vuokko Kovanen; Antti Mero
Androgen receptors and testosterone in men--effects of protein ingestion, resistance exercise and fiber type.
The Journal of steroid biochemistry and molecular biology 2008;110(1-2):130-7.
2008: Elina Sillanpää; Arja Häkkinen; Kai Nyman; Mari Mattila; Sulin Cheng; Laura Karavirta; David E Laaksonen; Niina Huuhka; William J Kraemer; Keijo Häkkinen
Body composition and fitness during strength and/or endurance training in older men.
Medicine and science in sports and exercise 2008;40(5):950-8.
2008: Laura Karavirta; Mikko P Tulppo; Kai Nyman; David E Laaksonen; Teemu Pullinen; Raija T Laukkanen; Hannu Kinnunen; Arja Häkkinen; Keijo Häkkinen
Estimation of maximal heart rate using the relationship between heart rate variability and exercise intensity in 40-67 years old men.
European journal of applied physiology 2008;103(1):25-32.
2008: Heli Valkeinen; Arja Häkkinen; Markku Alen; Pekka Hannonen; K Kukkonen-Harjula; Keijo Häkkinen
Physical fitness in postmenopausal women with fibromyalgia.
International journal of sports medicine 2008;29(5):408-13.
2008: Milan Sedliak; Taija Finni; S Cheng; T Haikarainen; Keijo Häkkinen
Diurnal variation in maximal and submaximal strength, power and neural activation of leg extensors in men: multiple sampling across two consecutive days.
International journal of sports medicine 2008;29(3):217-24.
2008: Tomi Konttinen; Heikki Kyröläinen; Keijo Häkkinen
Cardiorespiratory and neuromuscular responses to motocross riding.
Journal of strength and conditioning research / National Strength & Conditioning Association 2008;22(1):202-9.
2007: Janne M Sallinen; Arto Pakarinen; Mikael Fogelholm; Markku Alen; Jeff S Volek; William J Kraemer; Keijo Häkkinen
Dietary intake, serum hormones, muscle mass and strength during strength training in 49 - 73-year-old men.
International journal of sports medicine 2007;28(12):1070-6.
2007: Janne M Sallinen; Mikael Fogelholm; Jeff S Volek; William J Kraemer; Markku Alen; Keijo Häkkinen
Effects of strength training and reduced training on functional performance and metabolic health indicators in middle-aged men.
International journal of sports medicine 2007;28(10):815-22.
2007: Tomi Konttinen; Keijo Häkkinen; Heikki Kyröläinen
Cardiopulmonary loading in motocross riding.
Journal of sports sciences 2007;25(9):995-9.
2007: Jouni Mikkola; Heikki Rusko; Ari Nummela; T Pollari; Keijo Häkkinen
Concurrent endurance and explosive type strength training improves neuromuscular and anaerobic characteristics in young distance runners.
International journal of sports medicine 2007;28(7):602-11.
2007: Jussi S Mikkola; Heikki Rusko; Ari Nummela; Leena M Paavolainen; Keijo Häkkinen
Concurrent endurance and explosive type strength training increases activation and fast force production of leg extensor muscles in endurance athletes.
Journal of strength and conditioning research / National Strength & Conditioning Association 2007;21(2):613-20.
2007: Tommi Ojanen; Teemu Rauhala; Keijo Häkkinen
Strength and power profiles of the lower and upper extremities in master throwers at different ages.
Journal of strength and conditioning research / National Strength & Conditioning Association 2007;21(1):216-22.
2007: Juha J Hulmi; Juha P Ahtiainen; Tuomas Kaasalainen; Eija Pöllänen; Keijo Häkkinen; Markku Alen; Harri Selänne; Vuokko Kovanen; Antti Mero
Postexercise myostatin and activin IIb mRNA levels: effects of strength training.
Medicine and science in sports and exercise 2007;39(2):289-97.
2007: Milan Sedliak; Taija Finni; Sulin Cheng; William J Kraemer; Keijo Häkkinen
Effect of time-of-day-specific strength training on serum hormone concentrations and isometric strength in men.
Chronobiology international 2007;24(6):1159-77.
2006: Tomoko Shimano; William J Kraemer; Barry A Spiering; Jeff S Volek; Disa L Hatfield; Ricardo Silvestre; Jakob L Vingren; Maren S Fragala; Carl M Maresh; Steven J Fleck; Robert Newton; Luuk P B Spreuwenberg; Keijo Häkkinen
Relationship between the number of repetitions and selected percentages of one repetition maximum in free weight exercises in trained and untrained men.
Journal of strength and conditioning research / National Strength & Conditioning Association 2006;20(4):819-23.
2006: Disa L Hatfield; William J Kraemer; Barry A Spiering; Keijo Häkkinen; Jeff S Volek; Tomoko Shimano; Luuk P B Spreuwenberg; Ricardo Silvestre; Jakob L Vingren; Maren S Fragala; Ana L Gómez; Steven J Fleck; Robert Newton; Carl M Maresh
The impact of velocity of movement on performance factors in resistance exercise.
Journal of strength and conditioning research / National Strength & Conditioning Association 2006;20(4):760-6.
2006: Arja Häkkinen; Elina Holopainen; Hannu Kautiainen; Elina Sillanpää; Keijo Häkkinen
Neuromuscular function and balance of prepubertal and pubertal blind and sighted boys.
Acta paediatrica (Oslo, Norway : 1992) 2006;95(10):1277-83.
2006: Marko T Korhonen; Alexander Cristea; Markku Alén; Keijo Häkkinen; Sarianna Sipilä; Antti Mero; Jukka T Viitasalo; Lars Larsson; Harri Suominen
Aging, muscle fiber type, and contractile function in sprint-trained athletes.
Journal of applied physiology (Bethesda, Md. : 1985) 2006;101(3):906-17.
2006: Janne M Sallinen; Arto Pakarinen; Mikael Fogelholm; Elina Sillanpää; Markku Alen; Jeff S Volek; William J Kraemer; Keijo Häkkinen
Serum basal hormone concentrations and muscle mass in aging women: effects of strength training and diet.
International journal of sport nutrition and exercise metabolism 2006;16(3):316-31.
2006: Jarkko H S Holviala; Janne M Sallinen; William J Kraemer; Markku Alen; Keijo Häkkinen
Effects of strength training on muscle strength characteristics, functional capabilities, and balance in middle-aged and older women.
Journal of strength and conditioning research / National Strength & Conditioning Association 2006;20(2):336-44.
2006: Heli Valkeinen; Arja Häkkinen; Pekka Hannonen; Keijo Häkkinen; Markku Alén
Acute heavy-resistance exercise-induced pain and neuromuscular fatigue in elderly women with fibromyalgia and in healthy controls: effects of strength training.
Arthritis and rheumatism 2006;54(4):1334-9.
2006: William J Kraemer; Nicholas A Ratamess; Jeff S Volek; Keijo Häkkinen; Martyn R Rubin; Duncan N French; Ana L Gómez; Michael R McGuigan; Timothy P Scheett; Robert Newton; Barry A Spiering; Mikel Izquierdo; Francesco Saverio Dioguardi
The effects of amino acid supplementation on hormonal responses to resistance training overreaching.
Metabolism: clinical and experimental 2006;55(3):282-91.
2006: Disa L Hatfield; William J Kraemer; Jeff S Volek; Martyn R Rubin; Bianca Grebien; Ana L Gómez; Duncan N French; Timothy P Scheett; Nicholas A Ratamess; Matthew J Sharman; Michael R McGuigan; Robert Newton; Keijo Häkkinen
The effects of carbohydrate loading on repetitive jump squat power performance.
Journal of strength and conditioning research / National Strength & Conditioning Association 2006;20(1):167-71.
2006: Luuk P B Spreuwenberg; William J Kraemer; Barry A Spiering; Jeff S Volek; Disa L Hatfield; Ricardo Silvestre; Jakob L Vingren; Maren S Fragala; Keijo Häkkinen; Robert Newton; Carl M Maresh; Steven J Fleck
Influence of exercise order in a resistance-training exercise session.
Journal of strength and conditioning research / National Strength & Conditioning Association 2006;20(1):141-4.
2005: Janne M Sallinen; Mikael Fogelholm; Arto Pakarinen; Tuula Juvonen; Jeff S Volek; William J Kraemer; Markku Alen; Keijo Häkkinen
Effects of strength training and nutritional counseling on metabolic health indicators in aging women.
Canadian journal of applied physiology = Revue canadienne de physiologie appliquée 2005;30(6):690-707.
2005: Jani Backman; Keijo Häkkinen; Jari Ylinen; Arja Häkkinen; Heikki Kyröläinen
Neuromuscular performance characteristics of open-wheel and rally drivers.
Journal of strength and conditioning research / National Strength & Conditioning Association 2005;19(4):777-84.
2005: Juha P Ahtiainen; Arto Pakarinen; Markku Alen; William J Kraemer; Keijo Häkkinen
Short vs. long rest period between the sets in hypertrophic resistance training: influence on muscle strength, size, and hormonal adaptations in trained men.
Journal of strength and conditioning research / National Strength & Conditioning Association 2005;19(3):572-82.
2005: Vesa Linnamo; Arto Pakarinen; Paavo V Komi; William J Kraemer; Keijo Häkkinen
Acute hormonal responses to submaximal and maximal heavy resistance and explosive exercises in men and women.
Journal of strength and conditioning research / National Strength & Conditioning Association 2005;19(3):566-71.
2005: Heli Valkeinen; Keijo Häkkinen; Arto Pakarinen; Pekka Hannonen; Arja Häkkinen; Olavi Airaksinen; L Niemitukia; William J Kraemer; Markku Alén
Muscle hypertrophy, strength development, and serum hormones during strength training in elderly women with fibromyalgia.
Scandinavian journal of rheumatology 2005;34(4):309-14.
2005: Arja Häkkinen; Arto Pakarinen; Pekka Hannonen; Hannu Kautiainen; Kai Nyman; William J Kraemer; Keijo Häkkinen
Effects of prolonged combined strength and endurance training on physical fitness, body composition and serum hormones in women with rheumatoid arthritis and in healthy controls.
Clinical and experimental rheumatology 2005;23(4):505-12.
2004: William J Kraemer; Jason D Vescovi; Jeff S Volek; Bradley C Nindl; Robert Newton; John F Patton; Joseph E Dziados; Duncan N French; Keijo Häkkinen
Effects of concurrent resistance and aerobic training on load-bearing performance and the Army physical fitness test.
Military medicine 2004;169(12):994-9.
2004: Janne M Sallinen; Arto Pakarinen; Juha P Ahtiainen; William J Kraemer; Jeff S Volek; Keijo Häkkinen
Relationship between diet and serum anabolic hormone responses to heavy-resistance exercise in men.
International journal of sports medicine 2004;25(8):627-33.
2004: Juha P Ahtiainen; Arto Pakarinen; William J Kraemer; Keijo Häkkinen
Acute hormonal responses to heavy resistance exercise in strength athletes versus nonathletes.
Canadian journal of applied physiology = Revue canadienne de physiologie appliquée 2004;29(5):527-43.
2004: Jeff S Volek; Nicholas A Ratamess; Martyn R Rubin; Ana L Gómez; Duncan N French; Michael M McGuigan; Timothy P Scheett; Matthew J Sharman; Keijo Häkkinen; William J Kraemer
The effects of creatine supplementation on muscular performance and body composition responses to short-term resistance training overreaching.
European journal of applied physiology 2004;91(5-6):628-37.
2004: William J Kraemer; Bradley C Nindl; Nicholas A Ratamess; Lincoln A Gotshalk; Jeff S Volek; Steven J Fleck; Robert Newton; Keijo Häkkinen
Changes in muscle hypertrophy in women with periodized resistance training.
Medicine and science in sports and exercise 2004;36(4):697-708.
2004: Duncan N French; Ana L Gómez; Jeff S Volek; Martyn R Rubin; Nicholas A Ratamess; Matthew J Sharman; Lincoln A Gotshalk; Wayne J Sebastianelli; Margot Putukian; Robert Newton; Keijo Häkkinen; Steven J Fleck; William J Kraemer
Longitudinal tracking of muscular power changes of NCAA Division I collegiate women gymnasts.
Journal of strength and conditioning research / National Strength & Conditioning Association 2004;18(1):101-7.
2004: William J Kraemer; Duncan N French; Nigel J Paxton; Keijo Häkkinen; Jeff S Volek; Wayne J Sebastianelli; Margot Putukian; Robert Newton; Martyn R Rubin; Ana L Gómez; Jason D Vescovi; Nicholas A Ratamess; Steven J Fleck; J Michael Lynch; Howard G Knuttgen
Changes in exercise performance and hormonal concentrations over a big ten soccer season in starters and nonstarters.
Journal of strength and conditioning research / National Strength & Conditioning Association 2004;18(1):121-8.
2004: Heli Valkeinen; Markku Alen; Pekka Hannonen; Arja Häkkinen; Olavi Airaksinen; Keijo Häkkinen
Changes in knee extension and flexion force, EMG and functional capacity during strength training in older females with fibromyalgia and healthy controls.
Rheumatology (Oxford, England) 2004;43(2):225-8.
2003: Arja Häkkinen; Pekka Hannonen; Kai Nyman; T Lyyski; Keijo Häkkinen
Effects of concurrent strength and endurance training in women with early or longstanding rheumatoid arthritis: comparison with healthy subjects.
Arthritis and rheumatism 2003;49(6):789-97.
2003: William J Kraemer; Martyn R Rubin; Keijo Häkkinen; Bradley C Nindl; B C Nindi; James O Marx; Jeff S Volek; Duncan N French; Ana L Gómez; Matthew J Sharman; Timothy P Scheett; Nicholas A Ratamess; Mary P Miles; Andrea M Mastro; Jaci L VanHeest; Carl M Maresh; Jill R Welsch; Wesley C Hymer; K Haäkkinen; A M Mastro; J L Van Heest
Influence of muscle strength and total work on exercise-induced plasma growth hormone isoforms in women.
Journal of science and medicine in sport / Sports Medicine Australia 2003;6(3):295-306.
2003: William J Kraemer; Jeff S Volek; Duncan N French; Martyn R Rubin; Matthew J Sharman; Ana L Gómez; Nicholas A Ratamess; Robert Newton; Bozena Jemiolo; Bruce W Craig; Keijo Häkkinen
The effects of L-carnitine L-tartrate supplementation on hormonal responses to resistance exercise and recovery.
Journal of strength and conditioning research / National Strength & Conditioning Association 2003;17(3):455-62.
2003: Juha P Ahtiainen; Arto Pakarinen; William J Kraemer; Keijo Häkkinen
Acute hormonal and neuromuscular responses and recovery to forced vs maximum repetitions multiple resistance exercises.
International journal of sports medicine 2003;24(6):410-8.
2003: Juha P Ahtiainen; Arto Pakarinen; Markku Alen; William J Kraemer; Keijo Häkkinen
Muscle hypertrophy, hormonal adaptations and strength development during strength training in strength-trained and untrained men.
European journal of applied physiology 2003;89(6):555-63.
2003: Nicholas A Ratamess; William J Kraemer; Jeff S Volek; Martyn R Rubin; Ana L Gómez; Duncan N French; Matthew J Sharman; Michael M McGuigan; Timothy P Scheett; Keijo Häkkinen; Robert Newton; Francesco Dioguardi
The effects of amino acid supplementation on muscular performance during resistance training overreaching.
Journal of strength and conditioning research / National Strength & Conditioning Association 2003;17(2):250-8.
2003: Keijo Häkkinen; Markku Alen; William J Kraemer; E Gorostiaga; M Izquierdo; Heikki Rusko; Jouni Mikkola; Arja Häkkinen; Heli Valkeinen; E Kaarakainen; S Romu; V Erola; Juha P Ahtiainen; Leena M Paavolainen
Neuromuscular adaptations during concurrent strength and endurance training versus strength training.
European journal of applied physiology 2003;89(1):42-52.
2002: Heli Valkeinen; Jari Ylinen; Esko Mälkiä; Markku Alen; Keijo Häkkinen
Maximal force, force/time and activation/coactivation characteristics of the neck muscles in extension and flexion in healthy men and women at different ages.
European journal of applied physiology 2002;88(3):247-54.
2002: Keijo Häkkinen; William J Kraemer; Arto Pakarinen; Travis Triplett-McBride; Jeffrey M McBride; Arja Häkkinen; Markku Alen; Michael R McGuigan; Roger Bronks; Robert Newton
Effects of heavy resistance/power training on maximal strength, muscle morphology, and hormonal response patterns in 60-75-year-old men and women.
Canadian journal of applied physiology = Revue canadienne de physiologie appliquée 2002;27(3):213-31.
2002: Keijo Häkkinen; Arto Pakarinen; Pekka Hannonen; Arja Häkkinen; Olavi Airaksinen; Heli Valkeinen; Markku Alen
Effects of strength training on muscle strength, cross-sectional area, maximal electromyographic activity, and serum hormones in premenopausal women with fibromyalgia.
The Journal of rheumatology 2002;29(6):1287-95.
2002: James O Marx; Scott E Gordon; Netty H Vos; Bradley C Nindl; Ana L Gómez; Jeff S Volek; Jerome Pedro; Nicholas A Ratamess; Robert Newton; Duncan N French; Martyn R Rubin; Keijo Häkkinen; William J Kraemer
Effect of alkalosis on plasma epinephrine responses to high intensity cycle exercise in humans.
European journal of applied physiology 2002;87(1):72-7.
2002: Ana L Gómez; Robert J Radzwich; Craig R Denegar; Jeff S Volek; Martyn R Rubin; Jill A Bush; Brandon K Doan; Robbin B Wickham; Scott A Mazzetti; Robert Newton; Duncan N French; Keijo Häkkinen; Nicholas A Ratamess; William J Kraemer
The effects of a 10-kilometer run on muscle strength and power.
Journal of strength and conditioning research / National Strength & Conditioning Association 2002;16(2):184-91.
2002: Arja Häkkinen; Pekka Haanonan; Kai Nyman; Keijo Häkkinen
Aerobic and neuromuscular performance capacity of physically active females with early or long-term rheumatoid arthritis compared to matched healthy women.
Scandinavian journal of rheumatology 2002;31(6):345-50.
2001: Bradley C Nindl; William J Kraemer; Lincoln A Gotshalk; James O Marx; Jeff S Volek; F A Bush; Keijo Häkkinen; Robert Newton; Steven J Fleck
Testosterone responses after resistance exercise in women: influence of regional fat distribution.
International journal of sport nutrition and exercise metabolism 2001;11(4):451-65.
2001: William J Kraemer; D F Gardiner; Scott E Gordon; L Perry Koziris; Wayne J Sebastianelli; Margot Putukian; Robert Newton; Nicholas A Ratamess; Jeff S Volek; Keijo Häkkinen
Differential effects of exhaustive cycle ergometry on concentric and eccentric torque production.
Journal of science and medicine in sport / Sports Medicine Australia 2001;4(3):301-9.
2001: Keijo Häkkinen; Arto Pakarinen; William J Kraemer; Arja Häkkinen; Heli Valkeinen; Markku Alen
Selective muscle hypertrophy, changes in EMG and force, and serum hormones during strength training in older women.
Journal of applied physiology (Bethesda, Md. : 1985) 2001;91(2):569-80.
2001: William J Kraemer; Scott A Mazzetti; Bradley C Nindl; Lincoln A Gotshalk; Jeff S Volek; Jill A Bush; James O Marx; Keiichiro Dohi; Ana L Gómez; M Miles; Steven J Fleck; Robert Newton; Keijo Häkkinen
Effect of resistance training on women's strength/power and occupational performances.
Medicine and science in sports and exercise 2001;33(6):1011-25.
2001: James O Marx; Nicholas A Ratamess; Bradley C Nindl; Lincoln A Gotshalk; Jeff S Volek; K Dohi; Jill A Bush; Ana L Gómez; Scott A Mazzetti; Steven J Fleck; Keijo Häkkinen; Robert Newton; William J Kraemer
Low-volume circuit versus high-volume periodized resistance training in women.
Medicine and science in sports and exercise 2001;33(4):635-43.
2001: William J Kraemer; M Keuning; Nicholas A Ratamess; Jeff S Volek; Matt McCormick; Jill A Bush; Bradley C Nindl; Scott E Gordon; Scott A Mazzetti; Robert Newton; Ana L Gómez; Robbin B Wickham; Martyn R Rubin; Keijo Häkkinen
Resistance training combined with bench-step aerobics enhances women's health profile.
Medicine and science in sports and exercise 2001;33(2):259-69.
2001: William J Kraemer; C C Loebel; Jeff S Volek; Nicholas A Ratamess; Robert Newton; Robbin B Wickham; Lincoln A Gotshalk; ND Duncan; Scott A Mazzetti; Ana L Gómez; Martyn R Rubin; Bradley C Nindl; Keijo Häkkinen
The effect of heavy resistance exercise on the circadian rhythm of salivary testosterone in men.
European journal of applied physiology 2001;84(1-2):13-8.
2001: Matthew J Sharman; Robert Newton; Travis Triplett-McBride; Michael R McGuigan; Jeffrey M McBride; Arja Häkkinen; Keijo Häkkinen; William J Kraemer
Changes in myosin heavy chain composition with heavy resistance training in 60- to 75-year-old men and women.
European journal of applied physiology 2001;84(1-2):127-32.
2001: Keijo Häkkinen; William J Kraemer; Robert Newton; Markku Alen
Changes in electromyographic activity, muscle fibre and force production characteristics during heavy resistance/power strength training in middle-aged and older men and women.
Acta physiologica Scandinavica 2001;171(1):51-62.
2001: Arja Häkkinen; Keijo Häkkinen; Pekka Hannonen; Markku Alen
Strength training induced adaptations in neuromuscular function of premenopausal women with fibromyalgia: comparison with healthy women.
Annals of the rheumatic diseases 2001;60(1):21-6.
2000: Vesa Linnamo; Robert Newton; Keijo Häkkinen; Paavo V Komi; A Davie; Michael R McGuigan; Travis Triplett-McBride
Neuromuscular responses to explosive and heavy resistance loading.
Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology 2000;10(6):417-24.
2000: Keijo Häkkinen; Markku Alen; Mauri Kallinen; Robert Newton; William J Kraemer
Neuromuscular adaptation during prolonged strength training, detraining and re-strength-training in middle-aged and elderly people.
European journal of applied physiology 2000;83(1):51-62.
2000: Scott A Mazzetti; William J Kraemer; Jeff S Volek; ND Duncan; Nicholas A Ratamess; Ana L Gómez; Robert Newton; Keijo Häkkinen; Steven J Fleck
The influence of direct supervision of resistance training on strength performance.
Medicine and science in sports and exercise 2000;32(6):1175-84.
2000: Brendan Humphries; Robert Newton; Roger Bronks; S Marshall; J McBride; Travis Triplett-McBride; Keijo Häkkinen; William J Kraemer; N Humphries
Effect of exercise intensity on bone density, strength, and calcium turnover in older women.
Medicine and science in sports and exercise 2000;32(6):1043-50.
2000: Arja Häkkinen; Keijo Häkkinen; Pekka Hannonen; Markku Alen
Force production capacity and acute neuromuscular responses to fatiguing loading in women with fibromyalgia are not different from those of healthy women.
The Journal of rheumatology 2000;27(5):1277-82.
2000: William J Kraemer; F S Harman; N H Vos; Scott E Gordon; Bradley C Nindl; James O Marx; Ana L Gómez; Jeff S Volek; Nicholas A Ratamess; Scott A Mazzetti; Jill A Bush; K Dohi; Robert Newton; Keijo Häkkinen
Effects of exercise and alkalosis on serum insulin-like growth factor I and IGF-binding protein-3.
Canadian journal of applied physiology = Revue canadienne de physiologie appliquée 2000;25(2):127-38.
2000: Keijo Häkkinen; Arto Pakarinen; William J Kraemer; Robert Newton; Markku Alen
Basal concentrations and acute responses of serum hormones and strength development during heavy resistance training in middle-aged and elderly men and women.
The journals of gerontology. Series A, Biological sciences and medical sciences 2000;55(2):B95-105.
1999: Brendan Humphries; Travis Triplett-McBride; Robert Newton; S Marshall; Roger Bronks; J McBride; Keijo Häkkinen; William J Kraemer
The relationship between dynamic, isokinetic and isometric strength and bone mineral density in a population of 45 to 65 year old women.
Journal of science and medicine in sport / Sports Medicine Australia 1999;2(4):364-74.
1999: Leena M Paavolainen; Ari Nummela; Heikki Rusko; Keijo Häkkinen
Neuromuscular characteristics and fatigue during 10 km running.
International journal of sports medicine 1999;20(8):516-21.
1999: William J Kraemer; Jeff S Volek; KL Clark; Scott E Gordon; S M Puhl; L Perry Koziris; Jeffrey M McBride; N Travis Triplett-McBride; Margot Putukian; Robert Newton; Keijo Häkkinen; Jill A Bush; Wayne J Sebastianelli
Influence of exercise training on physiological and performance changes with weight loss in men.
Medicine and science in sports and exercise 1999;31(9):1320-9.
1999: William J Kraemer; Keijo Häkkinen; Robert Newton; Bradley C Nindl; Jeff S Volek; Matt McCormick; Lincoln A Gotshalk; Scott E Gordon; Steven J Fleck; Wayne W Campbell; Margot Putukian; William J Evans
Effects of heavy-resistance training on hormonal response patterns in younger vs. older men.
Journal of applied physiology (Bethesda, Md. : 1985) 1999;87(3):982-92.
1999: Leena M Paavolainen; Keijo Häkkinen; Ismo Hämäläinen; Ari Nummela; Heikki Rusko
Explosive-strength training improves 5-km running time by improving running economy and muscle power.
Journal of applied physiology (Bethesda, Md. : 1985) 1999;86(5):1527-33.
1999: Robert Newton; William J Kraemer; Keijo Häkkinen
Effects of ballistic training on preseason preparation of elite volleyball players.
Medicine and science in sports and exercise 1999;31(2):323-30.
1998: Keijo Häkkinen; Robert Newton; Scott E Gordon; Matt McCormick; Jeff S Volek; Bradley C Nindl; Lincoln A Gotshalk; Wayne W Campbell; William J Evans; Arja Häkkinen; Brendan Humphries; William J Kraemer
Changes in muscle morphology, electromyographic activity, and force production characteristics during progressive strength training in young and older men.
The journals of gerontology. Series A, Biological sciences and medical sciences 1998;53(6):B415-23.
1998: William J Kraemer; Robert S Staron; Fredrick C Hagerman; Robert S Hikida; Andrew C Fry; Scott E Gordon; Bradley C Nindl; L A Gothshalk; Jeff S Volek; James O Marx; Robert Newton; Keijo Häkkinen
The effects of short-term resistance training on endocrine function in men and women.
European journal of applied physiology and occupational physiology 1998;78(1):69-76.
1998: Keijo Häkkinen; Mauri Kallinen; M Izquierdo; K Jokelainen; H Lassila; Esko Mälkiä; William J Kraemer; Robert Newton; Markku Alen
Changes in agonist-antagonist EMG, muscle CSA, and force during strength training in middle-aged and older people.
Journal of applied physiology (Bethesda, Md. : 1985) 1998;84(4):1341-9.
1998: Keijo Häkkinen; Arto Pakarinen; Robert Newton; William J Kraemer
Acute hormone responses to heavy resistance lower and upper extremity exercise in young versus old men.
European journal of applied physiology and occupational physiology 1998;77(4):312-9.
1998: William J Kraemer; Keijo Häkkinen; Robert Newton; Matt McCormick; Bradley C Nindl; Jeff S Volek; Lincoln A Gotshalk; Steven J Fleck; Wayne W Campbell; Scott E Gordon; Peter A Farrell; William J Evans
Acute hormonal responses to heavy resistance exercise in younger and older men.
European journal of applied physiology and occupational physiology 1998;77(3):206-11.
1998: Vesa Linnamo; Keijo Häkkinen; Paavo V Komi
Neuromuscular fatigue and recovery in maximal compared to explosive strength loading.
European journal of applied physiology and occupational physiology 1998;77(1-2):176-81.
1997: Lincoln A Gotshalk; C C Loebel; Bradley C Nindl; Margot Putukian; Wayne J Sebastianelli; Robert Newton; Keijo Häkkinen; William J Kraemer
Hormonal responses of multiset versus single-set heavy-resistance exercise protocols.
Canadian journal of applied physiology = Revue canadienne de physiologie appliquée 1997;22(3):244-55.
1997: Keijo Häkkinen; William J Kraemer; Robert Newton
Muscle activation and force production during bilateral and unilateral concentric and isometric contractions of the knee extensors in men and women at different ages.
Electromyography and clinical neurophysiology 1997;37(3):131-42.
1997: Robert Newton; A J Murphy; Brendan Humphries; GJ Wilson; William J Kraemer; Keijo Häkkinen
Influence of load and stretch shortening cycle on the kinematics, kinetics and muscle activation that occurs during explosive upper-body movements.
European journal of applied physiology and occupational physiology 1997;75(4):333-42.
1996: Keijo Häkkinen; Mauri Kallinen; V Linnamo; U M Pastinen; Robert Newton; William J Kraemer
Neuromuscular adaptations during bilateral versus unilateral strength training in middle-aged and elderly men and women.
Acta physiologica Scandinavica 1996;158(1):77-88.
1996: Ari Nummela; N Andersson; Keijo Häkkinen; Heikki Rusko
Effect of inclination on the results of the maximal anaerobic running test.
International journal of sports medicine 1996;17 Suppl 2():S103-8.
1996: Keijo Häkkinen; William J Kraemer; Mauri Kallinen; V Linnamo; U M Pastinen; Robert Newton
Bilateral and unilateral neuromuscular function and muscle cross-sectional area in middle-aged and elderly men and women.
The journals of gerontology. Series A, Biological sciences and medical sciences 1996;51(1):B21-9.
1995: Keijo Häkkinen; A Pakarinen
Acute hormonal responses to heavy resistance exercise in men and women at different ages.
International journal of sports medicine 1995;16(8):507-13.
1995: Keijo Häkkinen
Neuromuscular fatigue and recovery in women at different ages during heavy resistance loading.
Electromyography and clinical neurophysiology 1995;35(7):403-13.
1995: William J Kraemer; B A Aguilera; M Terada; Robert Newton; J M Lynch; G Rosendaal; Jeffrey M McBride; Scott E Gordon; Keijo Häkkinen
Responses of IGF-I to endogenous increases in growth hormone after heavy-resistance exercise.
Journal of applied physiology (Bethesda, Md. : 1985) 1995;79(4):1310-5.
1995: Arja Häkkinen; Pekka Hannonen; Keijo Häkkinen
Muscle strength in healthy people and in patients suffering from recent-onset inflammatory arthritis.
British journal of rheumatology 1995;34(4):355-60.
1995: Keijo Häkkinen; Arja Häkkinen
Neuromuscular adaptations during intensive strength training in middle-aged and elderly males and females.
Electromyography and clinical neurophysiology 1995;35(3):137-47.
1995: Keijo Häkkinen; U M Pastinen; R Karsikas; V Linnamo
Neuromuscular performance in voluntary bilateral and unilateral contraction and during electrical stimulation in men at different ages.
European journal of applied physiology and occupational physiology 1995;70(6):518-27.
1994: Keijo Häkkinen
Neuromuscular fatigue in males and females during strenuous heavy resistance loading.
Electromyography and clinical neurophysiology 1994;34(4):205-14.
1994: Keijo Häkkinen; Mauri Kallinen
Distribution of strength training volume into one or two daily sessions and neuromuscular adaptations in female athletes.
Electromyography and clinical neurophysiology 1994;34(2):117-24.
1994: Keijo Häkkinen; A Pakarinen
Serum hormones and strength development during strength training in middle-aged and elderly males and females.
Acta physiologica Scandinavica 1994;150(2):211-9.
1994: Arja Häkkinen; Keijo Häkkinen; Pekka Hannonen
Effects of strength training on neuromuscular function and disease activity in patients with recent-onset inflammatory arthritis.
Scandinavian journal of rheumatology 1994;23(5):237-42.
1994: Leena M Paavolainen; Keijo Häkkinen; Ari Nummela; Heikki Rusko
Neuromuscular characteristics and fatigue in endurance and sprint athletes during a new anaerobic power test.
European journal of applied physiology and occupational physiology 1994;69(2):119-26.
1993: M Alén; A Pakarinen; Keijo Häkkinen
Effects of prolonged training on serum thyrotropin and thyroid hormones in elite strength athletes.
Journal of sports sciences 1993;11(6):493-7.
1993: Keijo Häkkinen
Changes in physical fitness profile in female volleyball players during the competitive season.
The Journal of sports medicine and physical fitness 1993;33(3):223-32.
1993: Keijo Häkkinen; A Pakarinen
Muscle strength and serum testosterone, cortisol and SHBG concentrations in middle-aged and elderly men and women.
Acta physiologica Scandinavica 1993;148(2):199-207.
1993: Keijo Häkkinen
Changes in physical fitness profile in female basketball players during the competitive season including explosive type strength training.
The Journal of sports medicine and physical fitness 1993;33(1):19-26.
1993: Keijo Häkkinen
Neuromuscular fatigue and recovery in male and female athletes during heavy resistance exercise.
International journal of sports medicine 1993;14(2):53-9.
1993: Keijo Häkkinen; A Pakarinen
Acute hormonal responses to two different fatiguing heavy-resistance protocols in male athletes.
Journal of applied physiology (Bethesda, Md. : 1985) 1993;74(2):882-7.
1992: Keijo Häkkinen
Neuromuscular responses in male and female athletes to two successive strength training sessions in one day.
The Journal of sports medicine and physical fitness 1992;32(3):234-42.
1992: Thierry Busso; Keijo Häkkinen; A Pakarinen; H Kauhanen; Paavo V Komi; Jean-René Lacour
Hormonal adaptations and modelled responses in elite weightlifters during 6 weeks of training.
European journal of applied physiology and occupational physiology 1992;64(4):381-6.
1992: Keijo Häkkinen; A Pakarinen; Mauri Kallinen
Neuromuscular adaptations and serum hormones in women during short-term intensive strength training.
European journal of applied physiology and occupational physiology 1992;64(2):106-11.
1991: Keijo Häkkinen
Force production characteristics of leg extensor, trunk flexor and extensor muscles in male and female basketball players.
The Journal of sports medicine and physical fitness 1991;31(3):325-31.
1991: A Pakarinen; Keijo Häkkinen; Markku Alen
Serum thyroid hormones, thyrotropin and thyroxine binding globulin in elite athletes during very intense strength training of one week.
The Journal of sports medicine and physical fitness 1991;31(2):142-6.
1991: Keijo Häkkinen; P Sinnemäki
Changes in physical fitness profile during the competitive season in elite bandy players.
The Journal of sports medicine and physical fitness 1991;31(1):37-43.
1991: Leena M Paavolainen; Keijo Häkkinen; Heikki Rusko
Effects of explosive type strength training on physical performance characteristics in cross-country skiers.
European journal of applied physiology and occupational physiology 1991;62(4):251-5.
1991: Keijo Häkkinen; Mauri Kallinen; Paavo V Komi; H Kauhanen
Neuromuscular adaptations during short-term "normal" and reduced training periods in strength athletes.
Electromyography and clinical neurophysiology 1991;31(1):35-42.
1991: Keijo Häkkinen; Arja Häkkinen
Muscle cross-sectional area, force production and relaxation characteristics in women at different ages.
European journal of applied physiology and occupational physiology 1991;62(6):410-4.
1991: Keijo Häkkinen; A Pakarinen
Serum hormones in male strength athletes during intensive short term strength training.
European journal of applied physiology and occupational physiology 1991;63(3-4):194-9.
1990: Keijo Häkkinen; A Pakarinen; Heikki Kyröläinen; S Cheng; D H Kim; Paavo V Komi
Neuromuscular adaptations and serum hormones in females during prolonged power training.
International journal of sports medicine 1990;11(2):91-8.
1990: Keijo Häkkinen; P Sinnemäki
Maximum oxygen uptake, anaerobic power and neuromuscular performance characteristics in bandy players of two different competitive levels.
The Journal of sports medicine and physical fitness 1990;30(1):67-73.
1990: Keijo Häkkinen; E Myllylä
Acute effects of muscle fatigue and recovery on force production and relaxation in endurance, power and strength athletes.
The Journal of sports medicine and physical fitness 1990;30(1):5-12.
1990: Thierry Busso; Keijo Häkkinen; A Pakarinen; C Carasso; Jean-René Lacour; Paavo V Komi; H Kauhanen
A systems model of training responses and its relationship to hormonal responses in elite weight-lifters.
European journal of applied physiology and occupational physiology 1990;61(1-2):48-54.
1990: Heikki Kyröläinen; Paavo V Komi; P Oksanen; Keijo Häkkinen; S Cheng; D H Kim
Mechanical efficiency of locomotion in females during different kinds of muscle action.
European journal of applied physiology and occupational physiology 1990;61(5-6):446-52.
1989: Keijo Häkkinen; M Alén
Training volume, androgen use and serum creatine kinase activity.
British journal of sports medicine 1989;23(3):188-9.
1989: Keijo Häkkinen; H Kauhanen
Daily changes in neural activation, force-time and relaxation-time characteristics in athletes during very intense training for one week.
Electromyography and clinical neurophysiology 1989;29(4):243-9.
1989: Keijo Häkkinen; Antti Mero; H Kauhanen
Specificity of endurance, sprint and strength training on physical performance capacity in young athletes.
The Journal of sports medicine and physical fitness 1989;29(1):27-35.
1989: Keijo Häkkinen; K L Keskinen; M Alén; Paavo V Komi; H Kauhanen
Serum hormone concentrations during prolonged training in elite endurance-trained and strength-trained athletes.
European journal of applied physiology and occupational physiology 1989;59(3):233-8.
1989: Keijo Häkkinen; K L Keskinen
Muscle cross-sectional area and voluntary force production characteristics in elite strength- and endurance-trained athletes and sprinters.
European journal of applied physiology and occupational physiology 1989;59(3):215-20.
1989: S Cheng; Paavo V Komi; Heikki Kyröläinen; D H Kim; Keijo Häkkinen
In vivo vibrational wave propagation in human tibiae at different ages.
European journal of applied physiology and occupational physiology 1989;59(1-2):128-30.
1988: Keijo Häkkinen; A Pakarinen; M Alén; H Kauhanen; Paavo V Komi
Daily hormonal and neuromuscular responses to intensive strength training in 1 week.
International journal of sports medicine 1988;9(6):422-8.
1988: Keijo Häkkinen; A Pakarinen; Markku Alen; H Kauhanen; Paavo V Komi
Neuromuscular and hormonal adaptations in athletes to strength training in two years.
Journal of applied physiology (Bethesda, Md. : 1985) 1988;65(6):2406-12.
1988: M Alén; A Pakarinen; Keijo Häkkinen; Paavo V Komi
Responses of serum androgenic-anabolic and catabolic hormones to prolonged strength training.
International journal of sports medicine 1988;9(3):229-33.
1988: Keijo Häkkinen; H Kauhanen; Paavo V Komi
Effects of fatiguing loading with a variable resistance equipment on neural activation and force production of the knee extensor muscles.
Electromyography and clinical neurophysiology 1988;28(2-3):79-87.
1988: Keijo Häkkinen; A Pakarinen; M Alén; H Kauhanen; Paavo V Komi
Neuromuscular and hormonal responses in elite athletes to two successive strength training sessions in one day.
European journal of applied physiology and occupational physiology 1988;57(2):133-9.
1988: A Pakarinen; M Alén; Keijo Häkkinen; Paavo V Komi
Serum thyroid hormones, thyrotropin and thyroxine binding globulin during prolonged strength training.
European journal of applied physiology and occupational physiology 1988;57(4):394-8.
1987: Keijo Häkkinen; H Kauhanen; Paavo V Komi
Aerobic, anaerobic, assistant exercise and weightlifting performance capacities in elite weightlifters.
The Journal of sports medicine and physical fitness 1987;27(2):240-6.
1987: Keijo Häkkinen; A Pakarinen; M Alén; H Kauhanen; Paavo V Komi
Relationships between training volume, physical performance capacity, and serum hormone concentrations during prolonged training in elite weight lifters.
International journal of sports medicine 1987;8 Suppl 1():61-5.
1987: Keijo Häkkinen; Paavo V Komi; M Alén; H Kauhanen
EMG, muscle fibre and force production characteristics during a 1 year training period in elite weight-lifters.
European journal of applied physiology and occupational physiology 1987;56(4):419-27.
1986: Keijo Häkkinen; Paavo V Komi; H Kauhanen
Electromyographic and force production characteristics of leg extensor muscles of elite weight lifters during isometric, concentric, and various stretch-shortening cycle exercises.
International journal of sports medicine 1986;7(3):144-51.
1986: Keijo Häkkinen; Markku Alen
Physiological performance, serum hormones, enzymes and lipids of an elite power athlete during training with and without androgens and during prolonged detraining. A case study.
The Journal of sports medicine and physical fitness 1986;26(1):92-100.
1985: Keijo Häkkinen; A Pakarinen; M Alén; Paavo V Komi
Serum hormones during prolonged training of neuromuscular performance.
European journal of applied physiology and occupational physiology 1985;53(4):287-93.