Potentiation and depression of the M wave in human biceps brachii.

  title={Potentiation and depression of the M wave in human biceps brachii.},
  author={Cynthia M. Cupido and Victoria Galea and Alan J McComas},
  journal={The Journal of physiology},
  volume={491 ( Pt 2)},
1. The effects of repeated excitation on the compound action potential, or M wave, of mammalian muscle fibres have been investigated in the human biceps brachii. 2. During continuous indirect stimulation at 10 and 20 Hz the mean voltage-time area of the M wave doubled within the first minute, while the mean peak-to-peak amplitude increased by approximately half. The enlargement of the M wave was sustained during stimulation at 10 Hz but not at 20 Hz. Stimulation at 3 Hz caused a small increase… CONTINUE READING
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