Postural feedback responses scale with biomechanical constraints in human standing

@article{Park2003PosturalFR,
  title={Postural feedback responses scale with biomechanical constraints in human standing},
  author={Sukyung Park and F. B. Horak and Arthur D. Kuo},
  journal={Experimental Brain Research},
  year={2003},
  volume={154},
  pages={417-427}
}
We tested whether human postural responses can be described in terms of feedback control gains, and whether these gains are scaled by the central nervous system to accommodate biomechanical constraints. A feedback control model can describe postural responses for a wide range of perturbations, but biomechanical constraints—such as on the torque that can be exerted on the ground—make a single set of feedback gains inappropriate for all perturbations. To observe how postural responses change with… CONTINUE READING
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