Effect of Whole-Body Vibration Versus Rhythmic Auditory Stimulation on Spasticity, Balance, and Lower Limb Motor Function in Hemiplegic Stroke Patients WBV vs RAS in Hemiplegic Stroke Rehabilitation
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Abstract
Background: Stroke can lead to spasticity, balance impairments, and lower limb motor dysfunction. Whole-body vibration (WBV) and rhythmic auditory stimulation (RAS) are two therapeutic interventions that may address these deficits.
Objective: To compare the effects of WBV and RAS on spasticity, balance, and lower limb motor function in hemiplegic stroke patients.
Methods: A single-blinded, randomized controlled trial was conducted with 104 chronic hemiplegic stroke patients, divided into two groups: Group A (WBV) and Group B (RAS). WBV was applied using a vibration platform at 30-40 Hz for 3-minute sessions, 3 days/week for 4 weeks. RAS involved 90-minute sessions of music-based exercises, incorporating rhythmic cues and conventional therapy, 3 days/week for 4 weeks. Spasticity, balance, and motor function were assessed using the Modified Ashworth Scale, Berg Balance Scale, and Fugl-Meyer Assessment, respectively. Data were analyzed using SPSS version 27.
Results: Group A showed greater improvements in spasticity (MAS: 1.2±0.4 vs. 2.6±0.3), balance (BBS: 49±5 vs. 43±5), and motor function (FMA: 29±5 vs. 18.5±5) compared to Group B (p<0.05).
Conclusion: WBV is more effective than RAS in improving spasticity, balance, and motor function in chronic hemiplegic stroke patients.
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