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Postural orientation, equilibrium, and the spinal cord

J M Macpherson1, J Fung, R Jacobs

  • 1R. S. Dow Neurological Sciences Institute, Portland, Oregon 97209, USA.

Advances in Neurology
|January 1, 1997
PubMed
Summary
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Maintaining balance during movement requires input from higher brain centers, not just spinal circuits. Future research could quantify recovery of balance after injury to assess neural connection restoration.

Area of Science:

  • Neuroscience
  • Motor Control
  • Biomechanics

Background:

  • Postural control, including orientation and equilibrium, is essential for skilled motor acts like walking.
  • While some postural orientation is spinal, equilibrium relies on input from higher neural centers.
  • Understanding these higher centers is crucial for explaining balance maintenance.

Purpose of the Study:

  • To investigate the role of higher neural centers in maintaining postural equilibrium.
  • To identify the specific higher centers involved in producing postural reactions.
  • To explore the potential of using balance recovery as a measure of neural connection restoration.

Main Methods:

  • The study focuses on the cat model to analyze postural control mechanisms.
Keywords:
Non-programmatic

Related Experiment Videos

  • It examines the contribution of spinal circuits versus descending systems in maintaining balance.
  • The research proposes future quantitative measures for assessing functional recovery.

    • Main Results:

    • Certain aspects of postural orientation are organized at the spinal level in cats.
    • Postural equilibrium requires input from higher centers, not solely spinal circuits.
    • Descending systems are implicated in the maintenance of postural equilibrium.

    Conclusions:

    • Postural equilibrium is a function of descending systems originating from higher centers.
    • Identifying these centers and their pathways is key to understanding balance.
    • Recovery of postural equilibrium after injury can quantitatively measure neural sparing and functional reconnection.