Differential control of the scapulothoracic muscles in humans.

  title={Differential control of the scapulothoracic muscles in humans.},
  author={Caroline M. Alexander and R. Miley and Siobh{\'a}n Stynes and Philip J Harrison},
  journal={The Journal of physiology},
  volume={580 Pt.3},
The control of the scapulothoracic muscles trapezius (Tr) and serratus anterior (SA) has been examined in normal human subjects. Electromyographic recordings were made from the SA and Tr muscles (upper trapezius UTr, lower trapezius LTr) using surface electrodes placed bilaterally. Magnetic stimulation of the motor cortex and electrical stimulation of peripheral nerves were used to examine their descending and reflex control. The average optimal site of cortical stimulation was found to be the… CONTINUE READING


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