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Movement Retraining using Real-time Feedback of Performance
Published on: January 17, 2013
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Impact Loading During Distracted Running Before and After Auditory Gait Retraining
Eric Ching1, Winko Wen-Kang An1, Ivan Pui Hung Au1
1Gait & Motion Analysis Laboratory, Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong".
International Journal of Sports Medicine
|November 13, 2018
Summary
Auditory feedback gait retraining effectively reduces running impact loading, even with distractions. This method improves running mechanics by lowering peak positive acceleration and loading rates.
Area of Science:
- Biomechanics
- Sports Science
- Gait Analysis
Background:
- Visual feedback gait retraining reduces impact loading in runners.
- Auditory feedback offers greater real-world applicability for gait retraining.
Purpose of the Study:
- To compare the effectiveness of auditory feedback gait retraining on reducing impact loading during distracted running.
- To assess changes in peak positive acceleration (PPA), vertical average loading rate (VALR), and vertical instantaneous loading rate (VILR) before and after retraining.
Main Methods:
- 16 runners participated in a gait retraining program using auditory feedback.
- Auditory feedback (low/high pitch) was contingent on footfall impact relative to a target.
- Measurements of PPA, VALR, and VILR were taken during distracted running before and after retraining.
Main Results:
- Runners exhibited lower PPA, VALR, and VILR with auditory feedback before retraining (p<0.049).
- Significant reductions in PPA, VALR, and VILR were observed after gait retraining, irrespective of feedback presence (p<0.018).
- Post-retraining, auditory feedback did not further reduce PPA and VALR (p>0.104), but showed a small effect on VILR (p=0.032).
Conclusions:
- Real-time auditory feedback gait retraining is effective for reducing impact loading in runners.
- The retraining improved running mechanics, leading to reduced impact forces even without concurrent feedback.
- Auditory feedback may offer supplementary benefits for specific loading rate parameters post-retraining.
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