The effect of a contralateral foot touch on stability of one-leg stance in young adults: an exploratory study.

Somatosensory & motor research Pub Date : 2024-12-01 Epub Date: 2023-11-15 DOI:10.1080/08990220.2023.2280541
Balsam J Alammari, Yunju Lee, Alexander S Aruin
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Abstract

Purpose: Previous studies demonstrated that providing light finger touch to a stationary object leads to reduced body sway. The focus of the current exploratory study was on the investigation of postural sway during one-leg stance when light touch is provided by the contralateral foot.

Methods: Eleven healthy young adults participated in the study. They stood on the top of the force platform with eyes open and on their dominant leg with no touch and with a touch from the contralateral foot applied to the stance leg. Medial arch, heel, and big toe of the contralateral foot were used to touch the medial malleolus or mid shank of the stance leg. The excursion, velocity, and sway area of the centre of pressure were obtained and analysed.

Results: Standing with light touch from the contralateral foot to the medial malleolus resulted in significantly smaller postural sway as compared to standing with no touch (p < 0.05). There was no difference in the study outcomes between conditions of standing with a touch applied by the medial arch, heel, or big toe to the stance leg.

Conclusions: The results of the study suggest that the application of light touch provided by a contralateral foot could be an effective strategy for enhancing body stability when no external support is available. The study outcome provides a foundation for future studies exploring ways to enhance balance control during one-leg stance.

对侧足触对年轻人单腿站立稳定性的影响:一项探索性研究。
目的:先前的研究表明,用手指轻触静止的物体可以减少身体摇摆。当前探索性研究的重点是调查单腿站立时对侧足轻触时的姿势摇摆。方法:11名健康青年参与研究。他们睁着眼睛站在力量平台的顶部,用主腿站立,不触碰,用对侧脚触碰站立腿。用对侧足的内弓、足跟和大脚趾触碰站立腿的内踝或中胫。得到并分析了压力中心的偏移、速度和摆动面积。结果:与站立时不触碰相比,从对侧足到内踝轻度触碰站立时,体位摇摆明显更小(p结论:研究结果表明,在没有外部支撑时,应用对侧足轻度触碰可能是增强身体稳定性的有效策略。本研究结果为进一步研究如何加强单腿站立时的平衡控制提供了基础。
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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