A stronger force of muscle contraction develops when additional motor units are stimulated.This is called
A)recruitment.
B)atrophy.
C)hypertrophy.
D)myasthenia.

Question

Quizplus · Accepted Answer

Recruitment is the process by which the nervous system increases the number of motor units (a motor neuron and all the muscle fibers it innervates) that are activated to produce a stronger muscle contraction. As more motor units are recruited, a greater force of contraction is generated. Atrophy refers to the wasting away or shrinking of muscle tissue, hypertrophy is an increase in muscle size, and myasthenia is a neuromuscular disorder that causes muscle weakness and fatigue.

A Stronger Force of Muscle Contraction Develops When Additional Motor