puits (1) temps (durée) (1) oxygène (1) montagne (1) énergie (1) coût (1) ordre (1) Costs (1) Methods (1) Indirect calorimetry (1) Walking (1) Trials (1) Time (1) Running (1) Power resources (1) Power (Mechanics) (1) Photoelectric cells (1) Oxygen (1) Order (1) Mechanical efficiency (1) Locomotion (1) Kinematics (1) Heart beat (1) Force and energy (1) Cost (1) Competition (1) Average (1) Male athletes (1) Methods (1) Treadmill exercise (1)