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KMID : 1021220200110042212
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국제물리치료학회지
2020 Volume.11 No. 4 p.2212 ~ p.2220
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A Comparative Evaluation of Closed and Open Kinetic Exercises in the Management of Chronic Ankle Instability
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Jung Nam-Jin
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Abstract
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Background: Repetitive damage to the ankle joint causes chronic ankle instability, and studies comparing the effects of exercise in open and closed chains as a treatment method are very rare.
Objectives: To investigate the effects of open and closed kinetic exercises on muscle activity and dynamic balance of ankle joint in adults with chronic ankle instability.
Design: Single-blind randomized controlled trial.
Methods: The selected 30 subjects are randomly divided into open kinetic chain exercise experimental group (EGⅠ, n=10), closed kinetic chain exercise experimental group (EGⅡ, n=10), and stretching control group (CG, n=10). Open and closed kinetic exercises lasted 30 minutes three times a week for six weeks and stretching exercises performed four actions for 20 seconds and five sets. The measurement tools using surface electromyography to measure muscle activity in the ankle joint. The dynamic balance of the ankle was evaluated using the Y-Balance test.
Results: Following the intervention, closed and open kinetic chain exercise group showed significant difference in tibialis anterior and gastrocnemius muscle activity and dynamic balance (P<.05). However, no significant difference in tibialis anterior and gastrocnemius muscle activity and dynamic balance between closed and open kinetic chain exercise group (P<.05).
Conclusion: This study provides evidence that closed and open kinetic chain exercise can be presented as an effective exercise for the muscle activity of ankle muscle and dynamic balance of the subject with chronic ankle instability.
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KEYWORD
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Closed kinetic chain exercise, Open kinetic chain exercise, Dynamic balance, Muscle activity
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