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Running
Exercise
Skiing
Physical Endurance
Physical Fitness
Muscle Strength
Anaerobic Threshold
Time Factors
Exercise Test
Electromyography
Lactates
Lactic Acid
Oxygen
Oxygen Consumption
Physical Exertion
Muscle, Skeletal
Leg
Heart Rate
Fatigue
Physical Education and Training
Co-Publications
30
9
8
5
3
2
1
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