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Updated: Jul 19, 2026

Functional Isolation of Single Motor Units of Rat Medial Gastrocnemius Muscle
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Functional Isolation of Single Motor Units of Rat Medial Gastrocnemius Muscle

Published on: December 26, 2020

Motor unit synchronization measured by cross-correlation is not influenced by short-term strength training of a hand

Dawson J Kidgell1, Martin V Sale, John G Semmler

  • 1School of Exercise and Nutrition Sciences, Deakin University, Burwood, VIC, Australia.

Experimental Brain Research
|October 20, 2006
PubMed

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The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
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Motor Units

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When an action potential...
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