Question

what kind of contraction is generated when an overly shortened muscle fiber is stimulated?
a strong contraction
a weak contraction
a hypertwitch
none
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Explanation:

When a muscle fiber is overly - shortened, the thin and thick filaments within the sarcomere are already overlapping to a great extent. Further stimulation cannot effectively increase the cross - bridge formation, which is necessary for a strong contraction. So, no contraction is generated.

Answer:

D. None