Onset of contractility in cardiac muscle.

  title={Onset of contractility in cardiac muscle.},
  author={A. J. W. Brady},
  journal={The Journal of physiology},
  volume={184 3},
1. A technique is described whereby (i) quick stretches and releases of controlled velocity, amplitude and time of onset can be applied to muscle. (ii) Releases from isometric to isotonic contraction can be performed at controlled delays relative to the stimulus, and displayed on a delayed expanded oscilloscope sweep. An isotonic lever system with an equivalent mass of 12.8 mg is described.2. Quick stretch of rabbit or cat papillary muscle after excitation does not result in a level of tension… CONTINUE READING

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