Migration of motor pool activity in the spinal cord reflects body mechanics in human locomotion.

  title={Migration of motor pool activity in the spinal cord reflects body mechanics in human locomotion.},
  author={Germana Cappellini and Yuri P. Ivanenko and Nadia Dominici and Richard Poppele and Francesco Lacquaniti},
  journal={Journal of neurophysiology},
  volume={104 6},
During the evolution of bipedal modes of locomotion, a sequential rostrocaudal activation of trunk muscles due to the undulatory body movements was replaced by more complex and discrete bursts of activity. Nevertheless, the capacity for segmental rhythmogenesis and the rostrocaudal propagation of spinal cord activity has been conserved. In humans, motoneurons of different muscles are arranged in columns, with a specific grouping of muscles at any given segmental level. The muscle patterns of… CONTINUE READING
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Propagation of sinusoidal electrical waves along the spinal cord during a fictive motor task.

The Journal of neuroscience : the official journal of the Society for Neuroscience • 2009

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