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August 1, 1979The Journal of PhysiologyOpen Access

Intersarcomere dynamics during fixed‐end tetanic contractions of frog muscle fibres.

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Population

Single twitch fibres from frog muscles

Design

Preclinical

Authors

FJF J JulianUniversitas Wijaya PutraDMDavid L. MorganWayne State University

Discussion

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Implication

Sarcomere non-uniformity may drive creep in amphibian fibers; leaves open translation to mammalian cardiac mechanics.

Structured PICO

P
Population
Single twitch fibres from frog muscles
I
Intervention
Fixed-end tetanic contractions monitored using a spot follower apparatus
O
Outcome
Stability of sarcomere lengths and internal movement during fixed-end tetanisurrogate

The study demonstrates that progressive development of sarcomere non-uniformity is responsible for the creep phase during fixed-end tetanic contractions in frog muscle fibers.

Cite This Study

Julian et al. (1979) studied this question.

synapsesocial.com/papers/6a73643dc8f0e053d4566349https://doi.org/10.1113/jphysiol.1979.sp012894
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Also Consider

Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1THE DOUBLE ARRAY OF FILAMENTS IN CROSS-STRIATED MUSCLE1957 · 644 citations
  2. 2Tension development in highly stretched vertebrate muscle fibres1966 · 349 citations
  3. 3The mechanics of active muscle1953 · 421 citations