★ Musculoskeletal System Responses to Exercises Quiz
What is the basic functional unit for force production in a muscle fiber?
A. Myosin
B. Actin
C. Sarcomere
D. Tropomyosin
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How does the recruitment of motor units affect muscle force production?
A. Increases muscle fatigue
B. Decreases muscle strength
C. Enhances muscle force
D. Stabilizes muscle contraction
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