Phase-dependent modulations of anticipatory postural activity during human locomotion.

  title={Phase-dependent modulations of anticipatory postural activity during human locomotion.},
  author={Helga Hirschfeld and Hans Forssberg},
  journal={Journal of neurophysiology},
  volume={66 1},
1. The ability of the CNS to coordinate several motor tasks was studied in humans walking on a treadmill while pulling on a handle. Subjects were instructed to respond to an audio signal that was presented in different phases of the step cycle. Electromyograph (EMG) and movements were recorded from the left arm and leg. 2. The activity of the arm muscle was preceded by postural activity in the leg muscles. The pattern of the anticipatory postural activity differed in the various phases of the… CONTINUE READING
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