The peak power generated by any skeletal muscle increases with increasing velocities of movement up to a movement speed of 200-300 degrees per second. Which of the following factors can explain this observation?
A. Muscle ATP levels are depleted at shortening velocities above 300 degrees per second.
B. Myosin cross-bridges develop velocity-related fatigue.
C. ATPase activity decreases as a function of the speed of muscle shortening.
D. None of these answers is correct
Answer: D
Health & Biomechanics
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