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Transfer Learning Effects of Biofeedback Running Retraining in Untrained Conditions
Janet Hanwen Zhang1, Zoe Yau-Shan Chan1, Ivan Pui-Hung Au1
1Gait & Motion Analysis Laboratory, Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, HONG KONG SAR.
Medicine and Science in Sports and Exercise
|April 12, 2019
Summary
Runners can improve running form and reduce impact by retraining one limb, as improvements transfer to the untrained limb. This gait retraining is effective even at varied speeds, aiding in injury prevention.
Area of Science:
- Biomechanics
- Sports Medicine
- Motor Learning
Background:
- Running gait retraining using biofeedback can reduce impact loading and running-related symptoms.
- Previous studies focused on single-limb training at constant speeds.
Purpose of the Study:
- To investigate the transfer of running gait learning from a trained limb to an untrained limb.
- To determine if this learning effect persists at different running speeds.
Main Methods:
- Thirteen runners underwent biofeedback retraining targeting peak tibial shock.
- Gait analysis was performed before and after training at self-selected, 90%, and 110% of training speeds.
Main Results:
- Significant reductions in peak tibial shock were observed in both trained (35-37%) and untrained (20-23%) limbs.
- No significant differences in shock reduction were found between limbs or across the tested speeds.
Conclusions:
- Runners exhibit transfer learning, reducing peak tibial shock in the untrained limb.
- Gait retraining effects are maintained at speeds varying by 10% from the training speed.
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