THE EFFECTS OF LEG MUSCLE STRENGTH TRAINING AND BALANCE TRAINING ON WALKING SPEED IN CHRONIC ANKLE INSTABILITY
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Abstract
Chronic ankle instability causes ankle structural changes, reduced ability to perform activities, and the ability to play sports. Therefore, the purpose of this study was to study the effects of balance training and leg muscle strength training on walking speed in individuals with chronic ankle instability. This research is an experimental study. Sixteen of male participants had a history of chronic ankle instability, were aged between 18 and 21 with the Thai version 2013 Cumberland Ankle Instability Tool (CAIT) score of less than 27 and had no history of ankle sprain within 6 weeks of research participation. They were simple randomized, as well as divided into two experimental groups: the balance training and strength training groups; Research tools were 1) record sheet, 2) Cumberland ankle instability tool (CAIT), 3) Star excursion balance test, 4) Electromyography (EMG), 5) balance board (Kinematic measurement system (KMS) balance and stability test), and 6) Kinematic measurement system (KMS) walking test). All participants were assigned to test muscle function, walking speed, and balance using the star excursion balance test (SEBT) pre-training and post-6 weeks of program training in both experimental groups. Data were analyzed by paired t - test.
The results showed that posterior lateral SEBT tests in weeks 6, and balance tests while closing their eyes in Week 6, had statistically significant increases in both the balance training group and the strength training group (p<0.05). However, only the strength training group showed an improvement in the posterior medial SEBT test (p<0.05). Additionally, the CAIT assessment results improved in both groups with statistical significance (p<0.05) in Weeks 6. The walking speed cannot be increased in both.
Conclusion, the balance training and leg muscle strength training probably help to increase balance of people with chronic ankle instability. Even when practicing only one program but still unable to increase walking speed.
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