Jorge tried to pick up his sofa but discover that it is much heavier than he expected. What must occur in the muscle to increase tension so he can pick up this heavy piece of furniture?

Question

Quizplus · Accepted Answer

Recruitment of additional motor units increases the number of muscle fibers contracting, thereby increasing the overall tension and force generated by the muscle, which is necessary to lift a heavy object like a sofa.

Jorge Tried to Pick Up His Sofa but Discover That