02 March 2019 : Clinical Research
Whole-Body Vibration in Horizontal Direction for Stroke Rehabilitation: A Randomized Controlled TrialGyuChang Lee1ABCDEFG*
Med Sci Monit 2019; 25:1621-1628
BACKGROUND: As most of the existing whole-body vibration (WBV) training programs provide vertical or rotatory vibration, studies on the effects of horizontal vibration have rarely been reported. The present study was conducted to investigate the effect of WBV in the horizontal direction on balance and gait ability in chronic stroke survivors.
MATERIAL AND METHODS: This study was designed as a randomized controlled trial. Twenty-one stroke survivors were randomly allocated into 2 groups (whole-body vibration group [n=9] and control group [n=12]). In the WBV group, WBV training in the horizontal direction was conducted for 6 weeks, and a conventional rehabilitation for 30 min, 3 days per week for a 6-week period, was conducted in both the WBV and control groups. Outcome variables included the static balance and gait ability measured before training and after 6 weeks.
RESULTS: On comparing the outcome variables before and after training in the WBV group, significant differences were observed in the cadence and single support time of gait ability. However, there were no significant differences in other variables, including velocity, step length, stride length, and double support time. In addition, after training, no significant differences in all variables were observed between the 2 groups.
CONCLUSIONS: The results of this study suggest that WBV training in the horizontal direction has few positive effects on balance and gait function in chronic stroke survivors. However, further investigation is needed to confirm this.
Keywords: Gait, postural balance, Stroke, Vibration, Aged, Middle Aged, Physical Therapy Modalities, stroke rehabilitation
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