Which of the following would be recruited later in muscle stimulation when contractile strength increases?
A) motor units with the longest muscle fibers
B) many small motor units with the ability to stimulate other motor units
C) large motor units with small, highly excitable neurons
D) motor units with larger, less excitable neurons

Question

Quizplus · Accepted Answer

Motor units with larger, less excitable neurons are recruited later as they require a stronger stimulus to activate, which occurs when greater contractile strength is needed.

Which of the Following Would Be Recruited Later in Muscle