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KMID : 1035420220100030063
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Journal of The Korean Society of Integrative Medicine
2022 Volume.10 No. 3 p.63 ~ p.72
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Acute effects of dynamic stretching and self-mobilization of the ankle joint on dorsiflexion range of motion, muscle strength, and balance in healthy adults
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Kim Kyoung-Han
Choi Yun-Seo
Jeon Jeong-Woo
Hong Ji-Hoen
Yu Jae-Ho
Kim Jin-Seop
Kim Seong-Gil
Lee Dong-Yeop
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Abstract
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Purpose : The purpose of this study was to investigate the acute effects of ankle joint self-mobilization (SM) and dynamic stretching (DS) on ankle strength, dorsiflexion range of motion (DFROM), and balance.
Methods : Thirty-two healthy adults participated in this study. Participants were randomly assigned to two groups (SM and DS). For all participants, the following measurements were performed as pre- and post-tests: isometric strength of dorsiflexor and plantar flexor, weight-bearing lunge test (WBLT) to evaluate DFROM, Tetrax system to evaluate static balance, and Y balance test (YBT) to evaluate dynamic balance. Differences before and after the intervention within each group were compared. Also, the amount of change of the variable was compared between groups.
Results : Significant differences were found in ankle dorsiflexor strength, WBLT, YBT, weight distribution index (WDI) (pillow and opened eyes; PO), and stability index (ST) (normal and closed eyes; NC) before and after intervention in the SM group (p<.05). In the DS group, significant differences were found in ankle dorsiflexor and plantar flexor strength, WBLT, YBT anterior, WDI (normal and opened eyes; NO, PO), and ST (NO, NC, PO, pillow and closed eyes) before and after the intervention (p<.05). Ankle plantar flexor strength and WDI (PO) were significantly different between groups.
Conclusion : Based on the results of this study, it is suggested that DS or SM be used as part of warm-up exercises because they have the potential to improve exercise performance.
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KEYWORD
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ankle joint, self-mobilization, dynamic stretching, balance
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