Whole-Body Vibration Does Not Seem to Affect Postural Control in Healthy Active Older Women.

IF 1.5 Q3 REHABILITATION
Rehabilitation Research and Practice Pub Date : 2018-04-23 eCollection Date: 2018-01-01 DOI:10.1155/2018/5798265
P S C Gomes, M O Campos, L F Oliveira, R G T Mello, I A Fernandes
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引用次数: 3

Abstract

Objective: This study investigated the acute residual effects induced by different frequencies of whole-body vibration (WBV) on postural control of elderly women.

Design: Thirty physically active elderly women (67 ± 5 years) were randomly divided into three groups: two experimental groups (high WBV frequency: 45 Hz and 4 mm amplitude, n = 10; low WBV frequency: 30 Hz and 4 mm amplitude, n = 10) and one control group (n = 10), with no treatment. The participants were first subjected to stabilometry tests and were then guided through three sets of isometric partial squats for 60 s while the WBV stimulation was applied. The control group was subjected to the same conditions but without the WBV stimulation. The participants were again subjected to body balance tests immediately following the end of the intervention period and again at 8, 16, and 24 min. To measure body sway control, three 60 s tests were performed at 10 s intervals for each of the following experimental conditions: (1) eyes opened and (2) eyes closed. The following variables were investigated: the average velocity of the displacement of the centre of pressure in the anterior-posterior and medial-lateral planes as well as in the elliptical area.

Results: A 3 (condition) × 5 (test) two-way repeated-measures ANOVA did not identify significant differences in the stabilometric variables, regardless of group, time, or experimental condition.

Conclusions: The effect of WBV, regardless of the stimulation frequency, did not have a significant effect immediately after or up to 24 minutes after vibration cessation, on the variables involved in the control of postural stability in physically active elderly women.

Abstract Image

Abstract Image

在健康活跃的老年妇女中,全身振动似乎不影响姿势控制。
目的:研究不同频率全身振动对老年妇女体位控制的急性残留效应。设计:30名体力活动老年妇女(67±5岁)随机分为3组:2个实验组(高WBV频率:45 Hz和4 mm振幅,n = 10;低WBV频率:30 Hz和4 mm振幅,n = 10)和1个对照组(n = 10),不进行治疗。参与者首先进行了稳定性测试,然后在施加WBV刺激的同时,指导他们做三组等距部分深蹲,持续60秒。对照组给予相同的条件,但不进行WBV刺激。参与者在干预期结束后立即再次接受身体平衡测试,并在8、16和24分钟再次接受身体平衡测试。为了测量身体摇摆控制,在以下实验条件下,每隔10秒进行3次60秒测试:(1)睁眼和(2)闭眼。研究了以下变量:压力中心在前后和中外侧平面以及椭圆区域的平均位移速度。结果:无论分组、时间或实验条件如何,3(条件)× 5(检验)双向重复测量方差分析均未发现稳定计量变量的显著差异。结论:无论刺激频率如何,WBV在振动停止后立即或24分钟内对体力活动老年妇女的姿势稳定性控制所涉及的变量没有显著影响。
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
CiteScore
3.80
自引率
0.00%
发文量
16
审稿时长
19 weeks
期刊介绍: Rehabilitation Research and Practice is a peer-reviewed, Open Access journal that publishes original research articles, review articles, and clinical studies in all areas of physical medicine and rehabilitation. The journal focuses on improving and restoring functional ability and quality of life to those with physical impairments or disabilities. In addition, articles looking at techniques to assess and study disabling conditions will be considered.
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