Immediate effects of local muscle vibration on static and dynamic balance control in individuals with chronic ankle instability

IF 2.2 3区医学 Q1 REHABILITATION Physical Therapy in Sport Pub Date : 2023-12-08 DOI:10.1016/j.ptsp.2023.11.008

Amir Hossein Jamshidi , Razieh Mofateh , Neda Orakifar , Maryam Seyedtabib , Zahra Najarzadeh , Amin Behdarvandan

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Abstract

Objectives

To investigate the immediate effects of local muscle vibration (LMV) on static and dynamic balance control in individuals with and without chronic ankle instability (CAI).

Design

Quasi-experimental study.

Setting

Research laboratory.

Participants

Twenty-six individuals with CAI and 26 healthy controls.

Main outcome measures

Center of pressure variables (mean total velocity and displacement in anteroposterior (AP) and mediolateral (ML) directions) during single-leg standing with eyes open and eyes closed and also reach distances in anterior (ANT), posteromedial (PM), and posterolateral (PL) directions of the modified star excursion balance test (MSEBT) were assessed before and after LMV.

Results

Statistical analyses showed a significant decrease in mean total velocity and displacement in AP direction from before to after LMV in eyes open condition for both individuals with CAI (p = 0.025, p = 0.041, respectively) and healthy controls (p = 0.001, p = 0.003, respectively). Similar results were observed in eyes closed condition for both individuals with CAI (p < 0.001, p < 0.001, respectively) and healthy controls (p = 0.040, p = 0.014, respectively). The results also showed increased reach distances in ANT (p < 0.001), PM (p < 0.001), and PL directions (p < 0.001) in all participants after LMV.

Conclusion

Our results suggest that LMV may be a useful tool in rehabilitation of static and dynamic balance deficits in individuals with CAI.

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局部肌肉振动对慢性踝关节不稳患者静态和动态平衡控制的直接影响

目的研究局部肌肉振动（LMV）对慢性踝关节不稳定（CAI）患者和非慢性踝关节不稳定患者的静态和动态平衡控制的直接影响。主要结果测量睁眼和闭眼单腿站立时的压力中心变量（前胸（AP）和内外侧（ML）方向的平均总速度和位移），以及LMV前后的改良星形偏移平衡测试（MSEBT）前方（ANT）、后内侧（PM）和后外侧（PL）方向的到达距离。结果统计分析显示，在睁眼状态下，CAI 患者（p = 0.025，p = 0.041）和健康对照组（p = 0.001，p = 0.003）的平均总速度和 AP 方向的位移在 LMV 前和 LMV 后均显著下降。在闭眼条件下，CAI 患者（分别为 p < 0.001、p < 0.001）和健康对照组（分别为 p = 0.040、p = 0.014）也观察到了类似的结果。结果还显示，所有参与者在接受 LMV 后，在 ANT（p < 0.001）、PM（p < 0.001）和 PL（p < 0.001）方向的伸展距离均有所增加。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Physical Therapy in Sport 医学-康复医学

CiteScore

4.50

自引率

8.30%

发文量

125

审稿时长

39 days

期刊介绍： Physical Therapy in Sport is an international peer-reviewed journal that provides a forum for the publication of research and clinical practice material relevant to the healthcare professions involved in sports and exercise medicine, and rehabilitation. The journal publishes material that is indispensable for day-to-day practice and continuing professional development. Physical Therapy in Sport covers topics dealing with the diagnosis, treatment, and prevention of injuries, as well as more general areas of sports and exercise medicine and related sports science. The journal publishes original research, case studies, reviews, masterclasses, papers on clinical approaches, and book reviews, as well as occasional reports from conferences. Papers are double-blind peer-reviewed by our international advisory board and other international experts, and submissions from a broad range of disciplines are actively encouraged.