Free PES Practice Test Questions | Performance Enhancement Specialization

Question # 33

Which of the following BEST explains the “all-or-none principle” of muscle contraction?

Options:

Entire muscle contracts once stimulated

Individual muscle fibers fully contract once threshold is reached

Muscles can partially contract depending on load

Tendons contract independently of muscle fibers

Viewing question 33 out of 72 questions

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PES Overview

Name	Performance Enhancement Specialization
Code	PES
Vendor	Fitness
Certification	NASM

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