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A 6-week nine-square exercise programme for collegiate athletes with chronic ankle instability: a randomised controlled trial |
Thanasootr KO, Hunsawong T, Chatchawan U, Siritaratiwat W |
The Malaysian Journal of Medical Science 2022 Dec;29(6):104-114 |
clinical trial |
8/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
BACKGROUND: Individuals with chronic ankle instability (CAI) have poor postural stability, functional limitations and low quality of life. Although nine-square exercise can improve postural control, there is limited evidence demonstrating whether it can function as an alternative CAI rehabilitation programme. This study aimed to determine the effects of nine-square exercise on postural stability and self-reported outcomes in individuals with CAI. METHODS: Eighteen male collegiate athletes with CAI participated in either a 6-week nine-square exercise or a control group (n = 9 per group). At baseline and post-intervention, the participants undertook clinical tests to measures dynamic and static postural control, and self-reported outcomes regarding ankle stability and function. RESULTS: Within-group differences, the nine-square exercise group experienced improved dynamic postural control (p = 0.004), static postural control (p = 0.001) and self-reported outcomes (p < 0.05). For the control group, only static postural control improved (p = 0.018). Post-intervention, the nine-square exercise group experienced significant improvements in dynamic postural control (p < 0.001), ankle stability (p = 0.002) and functional ability (p < 0.05) relative to the control group. CONCLUSION: These findings suggest that the nine-square exercise can offer an alternative rehabilitation programme for improving postural control, self-perceived ankle stability and functional ability in CAI.
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