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March 1, 1993Journal of Applied Physiology

Site and mechanical conditions for failure of skeletal muscle in experimental strain injuries

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Why the study?

Does muscle stimulation alter the site and mechanical conditions for failure in experimental strain injuries?

Population

Frog semitendinosus myotendinous units with intact tendon-bone junctions

Comparison

Muscle stimulation during strain to failure at… vs Unstimulated muscle strained to failure

Design

Preclinical

Authors

JTJames G. TidballHeart Failure / CardiomyopathyGSGeorge SalemUniversity of Southern CaliforniaRZRonald F. ZernickeUniversity of Michigan

Discussion

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Implication

Muscle activation alters experimental strain failure mechanics; leaves open translation to human injury prevention or rehab.

Structured PICO

Does muscle stimulation alter the site and mechanical conditions for failure in experimental strain injuries?

P
Population
Frog semitendinosus myotendinous units with intact tendon-bone junctions
I
Intervention
Muscle stimulation during strain to failure at physiological strain rates
C
Comparator
Unstimulated muscle strained to failure
O
Outcome
Site of lesion in whole muscle strained to failure determined by electron-microscopic examinationsurrogate

The site and mechanical conditions of failure in muscle strain injuries depend on the state of muscle activation, with stimulated muscle requiring more force and energy to fail.

Cite This Study

Tidball et al. (1993) studied this question.

synapsesocial.com/papers/6a990c80ea739e5cccf5a9d2https://doi.org/10.1152/jappl.1993.74.3.1280
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Eccentric contraction response of stimulated skeletal muscle fascicle at the various strain rates and stimulation timing2023
  2. 2Evidence of skeletal muscle damage following electrically stimulated isometric muscle contractions in humans2008 · 98 citations
  3. 3Structural and mechanical basis of exercise-induced muscle injury1992 · 475 citations
  4. 4Muscle fiber termination at the tendon in the frog's sartorius: A stereological study1984 · 51 citations
  5. 5Stress–strain relationship of individual hamstring muscles: A human cadaver study2024 · 12 citations