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Published on: July 26, 2021
A Randomized Controlled Study Assessing the Effects of a Shoe Lift Under the Nonparetic Leg on Balance Performance in
Mania Sheikh1, Hossein Asghar Hosseini
1Department of Physical Therapy, School of Paramedical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran.
Background And Purpose:
Improvement of balance and postural stability is an important goal in stroke rehabilitation. The purpose of this study was to investigate the effects of a shoe lift under the nonparetic leg on balance function and balance confidence in persons with chronic stroke.
Methods:
Thirty-six individuals with chronic stroke (21 males and 15 females), who were able to walk independently and showed stance asymmetry, were randomized to a shoe insert and a control group. The interventions included a 6-week balance training program, in conjunction with a shoe lift under the nonaffected leg (shoe insert group, n = 18), or balance training alone (control group, n = 18). The outcome measures were weight-bearing asymmetry (WBA), root mean square (RMS) of anterior-posterior (AP) and medial-lateral (ML) center-of-pressure (COP) velocity asymmetry, Berg Balance Scale (BBS), and Activities-specific Balance Confidence (ABC) Scale. These were measured in both groups at baseline, after the intervention, and at a 3-month follow-up. A repeated-measure multivariate analysis of variance was conducted to evaluate the impact of 2 different interventions on balance measures, across the 3 periods.
Results And Discussion:
No significant between-group differences were found for demographics and stroke-related characteristics of participants (P > .05). The outcome measures between the 2 groups were not significantly different at baseline (P > .05). There were between-group differences for WBA and the RMS of AP COP velocity asymmetry after the intervention and at the 3-month follow-up (P < .05). No significant difference in the RMS of ML COP velocity asymmetry, BBS, and ABC was identified between the 2 groups after the intervention and at the 3-month follow-up (P > .05).
Conclusion:
The results indicated that the use of a shoe lift under the nonaffected leg in the context of a balance training program could result in a greater improvement in static standing balance as compared with balance training alone in an individual with chronic stroke.
Trial Registration:
The study was retrospectively registered in the Iranian Registry of Clinical Trials (IRCT20190603043808N1).
