Payehdar Somaieh, Saeedi Hassan, Ahmadi Amir, Kamali Mohammad, Mohammadi Maryam, Abdollah Vahid
Department of Orthotics and Prosthetics, Faculty of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran.
Department of Orthotics and Prosthetics, Faculty of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
Prosthet Orthot Int. 2016 Feb;40(1):117-22. doi: 10.1177/0309364614538091. Epub 2014 Jun 18.
Different types of foot orthoses have been prescribed for patients with flatfoot. Results of several studies have shown that orthoses were able to change balance parameters in people with flatfoot. However, the possible effect of orthosis flexibility on balance has not yet been investigated.
The aim of the current study was to investigate the immediate effect of a rigid University of California Berkeley Laboratory (UCBL) foot orthosis, a modified foot orthosis, and a normal shoe on the postural sway of people with flexible flatfoot.
Quasi-experimental.
In all, 20 young adults with flatfoot (aged 23.5 ± 2.8 years) were invited to participate in this study. The Biodex Stability System was employed to perform standing balance tests under three testing conditions, namely, shoe only, UCBL, and modified foot orthosis. Total, medial-lateral, and anterior-posterior sway were evaluated for each condition.
The results of this study revealed no statistical difference in the medial-lateral and anterior-posterior stability indices between foot orthoses and shoed conditions. The overall stability index with the UCBL foot orthosis, however, was significantly lower than that with the modified foot orthosis.
The UCBL foot orthosis was able to decrease total sway and improve balance in people with flexible flatfoot.
Results of previous studies have indicated that foot orthoses were able to affect the balance of people with flatfeet. However, the possible effects of flexible orthoses on balance have not been examined. The results of this study may provide new insight into material selection for those people with balance disorders.
已为扁平足患者开具了不同类型的足部矫形器。多项研究结果表明，矫形器能够改变扁平足患者的平衡参数。然而，矫形器柔韧性对平衡的可能影响尚未得到研究。
本研究的目的是调查刚性的加利福尼亚大学伯克利分校实验室（UCBL）足部矫形器、改良足部矫形器和普通鞋子对柔韧性扁平足患者姿势摇摆的即时影响。
准实验性研究。
总共邀请了20名扁平足的年轻成年人（年龄23.5±2.8岁）参与本研究。使用Biodex稳定性系统在三种测试条件下进行站立平衡测试，即仅穿鞋子、使用UCBL矫形器和使用改良足部矫形器。对每种条件下的总摇摆、内侧-外侧摇摆和前后摇摆进行评估。
本研究结果显示，足部矫形器和穿鞋子条件之间在内侧-外侧和前后稳定性指标上没有统计学差异。然而，使用UCBL足部矫形器时的整体稳定性指标显著低于使用改良足部矫形器时的指标。
UCBL足部矫形器能够减少柔韧性扁平足患者的总摇摆并改善平衡。
先前的研究结果表明，足部矫形器能够影响扁平足患者的平衡。然而，柔韧性矫形器对平衡的可能影响尚未得到研究。本研究结果可能为那些有平衡障碍的人在材料选择方面提供新的见解。
