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Related Experiment Video

Updated: Jun 8, 2026

Movement Retraining using Real-time Feedback of Performance

Movement Retraining using Real-time Feedback of Performance

Published on: January 17, 2013

Gait retraining to reduce lower extremity loading in runners.

Harrison Philip Crowell¹, Irene S Davis

¹US Army Research Laboratory-Human Research and Engineering Directorate, RDRL-HRS-B, Aberdeen Proving Ground, MD 21005-5425, USA. harrison.philip.crowell@us.army.mil

Clinical Biomechanics (Bristol, Avon)

|October 5, 2010

Summary

This gait retraining program effectively reduced tibial acceleration and lower extremity loading in runners, potentially lowering stress fracture risk. These improvements persisted for at least one month post-intervention.

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Area of Science:

Biomechanics
Sports Medicine
Injury Prevention

Background:

Tibial stress fractures are common running injuries linked to high lower extremity loading during initial ground contact.
Key loading metrics include peak positive tibial acceleration, vertical force impact peak, and loading rates.

Purpose of the Study:

To evaluate a gait retraining program's effectiveness in decreasing running-related lower extremity loading.
To assess the short-term persistence of these loading reductions.

Main Methods:

Ten runners with high tibial acceleration (>8g) underwent a gait retraining program using real-time visual feedback.
Data on tibial acceleration and ground reaction forces were collected pre-training, post-training, and at a 1-month follow-up.

Main Results:

Immediately after retraining, significant reductions were observed in peak positive tibial acceleration (nearly 50%), vertical force loading rates (approx. 30%), and vertical force impact peak (approx. 20%).
These biomechanical improvements were maintained at the 1-month follow-up assessment.

Conclusions:

The gait retraining program successfully reduced tibial acceleration and lower extremity loading in runners.
These findings suggest a potential reduction in stress fracture risk for runners completing the program.