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Exercise Science

How the body works under load — muscle contraction and motor units, aerobic and anaerobic energy, VO2 max, metabolism, and where soreness comes from.

Exercise physiology

Exercise physiology

Physical fitness

Physical fitness

Muscle contraction

Muscle contraction

Aerobic exercise

Aerobic exercise

Anaerobic exercise

Anaerobic exercise

Physical exercise

Physical exercise

Metabolism

Metabolism

Lactic acid

Lactic acid

Adenosine triphosphate

Adenosine triphosphate