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August 1, 1979Acta Physiologica Scandinavica

Shortening velocity, active force and homogeneity of contraction during electrically evoked twitches in smooth muscle from rabbit urinary bladder

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Population

Longitudinal smooth muscle preparations from rabbit urinary bladder (n=9)

Design

Preclinical

Authors

BUBengt UveliusLund University

Discussion

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Implication

Hypothesis-generating for detrusor mechanics; human studies needed before any clinical relevance.

Structured PICO

P
Population
Longitudinal smooth muscle preparations from rabbit urinary bladder (n=9)
I
Intervention
Electrical stimulation (electrically evoked twitches) and quick release technique at 25 degrees C
O
Outcome
Force-velocity relations, maximal shortening velocity (Vmax), and maximal tension (Po) during the twitchsurrogate

In rabbit urinary bladder smooth muscle, maximal shortening velocity and maximal tension peak during the rising phase of an electrically evoked twitch, with Vmax declining more rapidly than tension.

Cite This Study

Bengt Uvelius (1979) studied this question.

synapsesocial.com/papers/6a756dffe42ca79ec1e717d3https://doi.org/10.1111/j.1748-1716.1979.tb06429.x
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Also Consider

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

  1. 1Analysis of the length response to a force step in smooth muscle from rabbit urinary bladder1979 · 70 citations
  2. 2Isometric and Isotonic Length‐Tension Relations and Variations in Cell Length in Longitudinal Smooth Muscle from Rabbit Urinary Bladder1976 · 130 citations
  3. 3Contraction kinetics of striated muscle fibres following quick changes in load1966 · 167 citations
  4. 4The Force‐Velocity Relation in Phasic Contractions of Venous Smooth Muscle1975 · 45 citations
  5. 5Active State in the Smooth Muscle of the Rat Portal Vein in Relation to Electrical Activity and Isometric Force1973 · 30 citations