The fast fatigable motor units are used predominantly for which of the following activities?     a. The action potentials fired by alpha motor neurons become slower. b. Slow twitch muscle fibers show increased myosin ATPase. c. Fast fatigable motor units are recruited before slow twitch motor units. d. None of the answers. e.All of the answers.

Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter8: Muscle Physiology
Section: Chapter Questions
Problem 4TAHL
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The fast fatigable motor units are used predominantly for which of the following activities?

 

 

a. The action potentials fired by alpha motor neurons become slower.

b. Slow twitch muscle fibers show increased myosin ATPase.

c. Fast fatigable motor units are recruited before slow twitch motor units.

d. None of the answers.

e.All of the answers.

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