Jul 1 • CSCS Daily Practice Question
CSCS Daily Practice Question #89
What does the all-or-none principle of muscle contraction state?
A. Muscles can only generate force in one direction of movement
B. A muscle fiber contracts fully when stimulated above threshold or does not contract at all
C. All muscle fibers in a muscle contract at the same force level
Answer in the poll, then explain your rationale below in the comments! I'll follow up with my breakdown of the question after enough people have responded.
From Chapter 1: Structure and Function of Body Systems
DCO Code: 1.B1
NOTE: Image is for illustration purposes, not needed to answer the question.
A. Muscles can only generate force in one direction of movement
B. A muscle fiber contracts fully when stimulated above threshold or does not contract at all
C. All muscle fibers in a muscle contract at the same force level
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1 comment
CSCS Daily Practice Question #89
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