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Related Experiment Videos

Obstacle crossing in subjects with stroke.

C M Said1, P A Goldie, A E Patla

  • 1Physiotherapy Department, Austin and Repatriation Medical Centre, Victoria, Australia.

Archives of Physical Medicine and Rehabilitation
|September 17, 1999
PubMed
Summary

Individuals who have experienced a stroke often struggle to safely step over obstacles. This study found that stroke survivors in rehabilitation had compromised and inconsistent obstacle negotiation abilities, impacting gait safety.

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Area of Science:

  • Neurorehabilitation
  • Biomechanics
  • Gait Analysis

Background:

  • Stroke survivors often exhibit impaired motor function, affecting their ability to perform daily activities.
  • Safe ambulation, including obstacle negotiation, is crucial for independence and reducing fall risk in post-stroke individuals.

Purpose of the Study:

  • To assess the capacity of individuals with stroke to successfully step over obstacles during walking.
  • To identify challenges in obstacle negotiation among stroke survivors in a rehabilitation setting.

Main Methods:

  • Inpatient stroke subjects (n=24) and healthy controls (n=22) participated.
  • Subjects stepped over obstacles ranging from 1cm to 8cm in height and width.
  • Fails were recorded for limb contact or need for support; leading limb preference and visual deficits were noted.

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Main Results:

  • Stroke subjects demonstrated significantly more fails compared to controls, with 13 subjects failing at least once.
  • No significant preference was observed for using the affected or unaffected leg as the leading limb.
  • Performance in obstacle negotiation was inconsistent across two testing sessions for stroke subjects.

Conclusions:

  • Obstacle negotiation ability is compromised and inconsistent in stroke patients during inpatient rehabilitation.
  • Gait safety remains a significant concern for individuals with stroke, necessitating targeted interventions.
  • Inconsistent performance highlights the need for further investigation into factors affecting dynamic balance and mobility.