Motor unit recruitment occurs when there is a(n)[increase] in the number of active motor units within a skeletal muscle.
A)increase
B)decrease
C)no change

Question

Quizplus · Accepted Answer

Motor unit recruitment is the process by which the nervous system activates more motor units in a muscle to generate greater force. This happens by increasing the frequency and intensity of signals from the brain to the muscle fibers. Therefore, an increase in the number of active motor units is required to generate a higher force during muscle contraction.

Motor Unit Recruitment Occurs When There Is A(n)[increase] in the Number