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Effect of electromyographic biofeedback on learning the short foot exercise
Kazunori Okamura1,2, Shusaku Kanai2, Masaki Hasegawa2
1Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima, Mihara-shi, Hiroshima 723-0053, Japan.
Journal of Back and Musculoskeletal Rehabilitation
|January 15, 2019
Summary
Visual electromyographic (EMG) biofeedback effectively improves learning the short foot (SF) exercise, enhancing abductor hallucis muscle activity. This method offers a quick way to master the challenging SF exercise.
Area of Science:
- Biomechanics
- Motor Learning
- Rehabilitation
Background:
- The short foot (SF) exercise is crucial for intrinsic foot muscle strength but difficult to master.
- Effective learning strategies for the SF exercise are needed.
Purpose of the Study:
- To investigate the impact of three electromyographic (EMG) biofeedback methods on learning the SF exercise.
- To compare EMG biofeedback with conventional practice.
Main Methods:
- Thirty-six healthy subjects were divided into four groups: control, electrical stimulation, visual EMG biofeedback, and combined biofeedback.
- Participants practiced the SF exercise for 5 minutes.
- Measurements included abductor hallucis (ABH) EMG activity, medial longitudinal arch (MLA) angle, and foot length.
Main Results:
- Visual EMG biofeedback and combined biofeedback groups showed significantly increased ABH EMG activity post-practice.
- No significant differences in MLA morphology were observed between groups.
- Conventional practice alone did not yield significant improvements in ABH EMG activity.
Conclusions:
- Visual EMG biofeedback is an effective tool for enhancing abductor hallucis muscle activation during the SF exercise.
- This method facilitates rapid learning and skill acquisition for the SF exercise.
- EMG biofeedback holds promise for foot muscle rehabilitation and strengthening programs.
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