Ans: D. increase, increasing the number of muscle fibers contracting
Increasing recruitment in a muscle, causes the strength of the contraction to _____ by ______.
A. increase, increasing the force of contraction of each contracting muscle fiber
B. decrease, decreasing the number of muscle fibers contracting
C. decrease, decreasing the force of contraction of each contracting muscle fiber.
D. increase, increasing the number of muscle fibers contracting
Anatomy & Physiology
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