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Haptic biofeedback induces changes in ankle push-off during walking.

Christopher Schenck1, Duncan Bakke1, Thor Besier2

  • 1Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand.

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|September 4, 2019
PubMed
Summary
This summary is machine-generated.

Haptic biofeedback can help able-bodied adults decrease peak ankle moment during gait, but increasing it requires further research. This study explores novel gait training methods.

Keywords:
Able-bodiedAnkle momentAnkle push-offBiofeedbackGait analysis

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Area of Science:

  • Biomechanics
  • Human Movement Science
  • Rehabilitation Engineering

Background:

  • Ankle push-off is crucial for forward gait progression.
  • Reduced ankle power and moment are linked to increased metabolic cost in certain populations.
  • Haptic biofeedback is an established gait training tool, but its application to ankle moment has not been explored.

Purpose of the Study:

  • To investigate if haptic biofeedback can enable able-bodied adults to modulate their peak ankle moment during gait.
  • To assess the effectiveness of direct biofeedback targeting ankle moment for gait modification.

Main Methods:

  • Twenty able-bodied adults participated in walking trials with and without haptic biofeedback.
  • Participants received feedback to either increase (Feedback High) or decrease (Feedback Low) peak ankle moment.
  • Verbal suggestions were provided to half the participants to explore combined training effects.

Main Results:

  • A significant effect of walking condition on peak ankle moment and power was observed.
  • Peak ankle moment did not increase with Feedback High, but peak ankle power increased significantly.
  • Feedback Low resulted in significant decreases in both peak ankle moment and peak ankle power.

Conclusions:

  • Able-bodied individuals can modulate gait in response to haptic biofeedback targeting ankle moment, particularly for decreasing it.
  • Further research is needed to develop effective haptic biofeedback strategies for increasing peak ankle moment.
  • This study provides foundational insights into novel gait training interventions using haptic biofeedback.