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Related Experiment Videos

Halo vest effect on balance.

J K Richardson1, A D Ross, B Riley

  • 1Department of Physical Medicine and Rehabilitation, University of Michigan Medical Center, Ann Arbor, USA.

Archives of Physical Medicine and Rehabilitation
|March 21, 2000
PubMed
Summary

The halo vest, a type of cervical orthosis, significantly impairs balance in healthy young adults. This balance deficit may increase fall risk in vulnerable patient populations.

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Area of Science:

  • Biomechanics
  • Orthopedics
  • Rehabilitation Medicine

Background:

  • Cervical orthoses are frequently used to immobilize the cervical spine.
  • The impact of these devices on balance is not fully understood.
  • Assessing balance is crucial for fall prevention strategies.

Purpose of the Study:

  • To evaluate the effect of a halo vest on key balance parameters.
  • To quantify changes in unipedal stance and functional reach.

Main Methods:

  • Healthy young adults performed unipedal stance and functional reach tests.
  • Tests were conducted with and without a halo vest.
  • Balance was assessed on firm and soft surfaces, with eyes open and closed.

Main Results:

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  • Unipedal stance duration significantly decreased with the halo vest (32.8 +/- 6.4s vs. 29.1 +/- 5.8s).
  • Functional reach distance was significantly reduced when wearing the halo vest (15.1 +/- 2.1in vs. 12.9 +/- 1.4in).
  • Statistical significance was observed for both outcomes (p < .01).

Conclusions:

  • The halo vest acutely impairs balance in healthy young individuals.
  • This impairment suggests a potential increase in fall risk.
  • The effect may be more pronounced in elderly or injured patients, necessitating careful management.