Abstract
THE method which was developed for measuring small rapid changes in volume occurring in a muscle during a single twitch1 has been applied to the case of a frog sartorius muscle immersed in hypertonic Ringer's solution. As reported by various authors, one of the principal effects of hypertonic Ringer's solution on a muscle is to eliminate the twitch tension on stimulation, but not to interfere with the propagation of the muscle action potential. This provides a method of determining whether or not the previously reported muscle volume changes are a direct consequence of the action potential and are thus not connected with contraction as such.
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References
Abbott, B. C., and Baskin, R. J., J. Physiol., 154, 14 (1960).
Abbott, B. C., and Baskin, R. J., J. Physiol., 161, 379 (1962).
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BASKIN, R. Relationship between Changes in Muscle Volume and Muscle Action Potential. Nature 195, 290 (1962). https://doi.org/10.1038/195290a0
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DOI: https://doi.org/10.1038/195290a0
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