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September 27, 1968Science

Sarcomeric Oscillations in Frog Skeletal Muscle Fibers

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Population

Frog skeletal muscle fibers

Design

Preclinical

Authors

LMLuis A. MarcoUniversidad de ZaragozaWNWilliam L. NastukColumbia University

Discussion

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Implication

No clinical relevance in humans; leaves open whether sarcomeric oscillations occur in mammalian cardiac muscle.

Structured PICO

P
Population
Frog skeletal muscle fibers
I
Intervention
Application of caffeine and certain quaternary ammonium compounds
O
Outcome
Observation of brief asynchronous, small-amplitude, cyclic, longitudinal displacements of the striations (sarcomeric oscillations)

Caffeine and quaternary ammonium compounds induce sarcomeric oscillations in frog skeletal muscle fibers, which are modulated by various physiological and structural factors.

Cite This Study

Marco et al. (1968) studied this question.

synapsesocial.com/papers/6a865ec4ae12ed54832fe042https://doi.org/10.1126/science.161.3848.1357
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Also Consider

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

  1. 1Activation of the Contractile Mechanism in Striated Muscle1958 · 200 citations
  2. 2The action of caffeine on the activation of the contractile mechanism in striated muscle fibres1968 · 283 citations
  3. 3Frog Skeletal Muscle Fibers: Changes in Electrical Properties after Disruption of Transverse Tubular System1967 · 102 citations
  4. 4ATP-Driven Oscillation of Glycerol-Extracted Insect Fibrillar Muscle: Mechano-Chemical Coupling1967 · 13 citations
  5. 5Oscillatory contraction of insect fibrillar muscle after glycerol extraction1966 · 224 citations