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October 1, 1988Medicine & Science in Sports & Exercise

Blood flow to different rat skeletal muscle fiber type sections during isometric contractions in situ

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Population

Rat gastrocnemius-soleus-plantaris muscle group in situ preparation

Comparison

Isometric twitch and tetanic contractions vs Rest conditions

Design

Preclinical

Authors

RTRonald L. TerjungUniversity of MissouriBEBRENDA MACKIE ENGBRETSONState University of New York

Discussion

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Implication

Fiber-type perfusion heterogeneity in rodents does not inform human exercise prescriptions; leaves open translation to clinical cardiovascular responses.

Structured PICO

P
Population
Rat gastrocnemius-soleus-plantaris muscle group in situ preparation
I
Intervention
Isometric twitch and tetanic contractions
C
Comparator
Rest conditions
O
Outcome
Blood flow measured by radiolabeled microsphere techniquesurrogate

Blood flow capacity in rat skeletal muscle is proportional to the differences in oxidative capacity among fiber types, with red fiber sections showing higher flows during contractions.

Cite This Study

Terjung et al. (1988) studied this question.

synapsesocial.com/papers/6a6f6a0d8031ec7bb1dbbcd3https://doi.org/10.1249/00005768-198810001-00006
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Also Consider

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

  1. 1Blood flow to different skeletal muscle fiber types during contraction1983 · 132 citations
  2. 2Influence of training on blood flow to different skeletal muscle fiber types1983 · 63 citations
  3. 3The Effect of Stimulation Frequency on Blood Flow in Rat Fast Skeletal Muscles1999 · 15 citations
  4. 4Muscular blood flow distribution patterns as a function of running speed in rats1982 · 333 citations
  5. 5Skeletal muscle capillary hemodynamics from rest to contractions: implications for oxygen transfer2002 · 201 citations