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August 1, 1987The FASEB Journal

Z band dynamics as a function of sarcomere length and the contractile state of muscle

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Population

Rat soleus muscle

Comparison

Tetanization and stretching vs Relaxed state (untetanized)

Design

Preclinical

Authors

MGM. A. GoldsteinBaylor College of MedicineLMLloyd H. MichaelHeart Failure & TransplantJSJohn P. SchroeterIowa State University

Discussion

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Overview

Active tension dictates Z-band structure independent of length in skeletal muscle; hypothesis-generating for cardiac sarcomere mechanics.

Structured PICO

P
Population
Rat soleus muscle
I
Intervention
Tetanization and stretching (application of active tension and passive load)
C
Comparator
Relaxed state (untetanized)
O
Outcome
Z lattice forms, Z dimensions, and A band spacingssurrogate

The structural state of the Z band in skeletal muscle is determined by the presence or absence of active tension rather than passive load or sarcomere length.

Cite This Study

Goldstein et al. (1987) studied this question.

synapsesocial.com/papers/6a9285c5fa60aefc093aaff9https://doi.org/10.1096/fasebj.1.2.3609610
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Also Consider

Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1MODELS OF MUSCLE Z-BAND FINE STRUCTURE BASED ON A LOOPING FILAMENT CONFIGURATION1967 · 71 citations
  2. 2Optical diffraction of the Z lattice in canine cardiac muscle.1977 · 42 citations
  3. 3Comparative response of the developing canine myocardium to inotropic agents1982 · 39 citations
  4. 4A model for the molecular basis of filament contractility and sliding as demonstrated by helix models1986 · 11 citations