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Human Body & Health

A weightlifter attempts a maximum bench press. If muscle fiber recruitment plateaus while the load continues to increase, which consequence follows regarding sarcomere contraction?

A)Increased concentric contraction velocity
B)Elevated ATP hydrolysis efficiency
C)Eccentric contraction risk augmentation
D)Reduced intramuscular force distribution

💡 Explanation

As load increases beyond the point of maximum fiber recruitment, the muscle is forced into eccentric contraction under high load. This heightened eccentric load increases the risk of muscle damage because the muscle is lengthening while contracting, therefore increased risk of injury rather than improved force distribution.

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