Exceptions to the Size Principle Exist During the Performance of High

Multiple Choice

Exceptions to the size principle exist during the performance of high intensity and short duration exercise.This recruitment of fast motor units before activation of slow fibers can be achieved by

A) activation of the sympathetic nervous system.
B) inhibiting the activation of slow motor units.
C) reflex action by the Golgi tendon organ.
D) all of the above answers are correct