The fewer muscle fibers present in a motor unit and the greater the number of motor units in a muscle as a whole: 1. the less likely these muscle fibers will fatigue. 2. the less likely an action potential will be generated in the muscle fibers of that motor unit. 3. the stronger the contractions of muscle fibers in that motor unit.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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The fewer muscle fibers present in a motor unit and the greater the number of motor units in a muscle as a whole:

1. the less likely these muscle fibers will fatigue.

2. the less likely an action potential will be generated in the muscle fibers of that motor unit.

3. the stronger the contractions of muscle fibers in that motor unit.

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