水惯性负荷的动态稳定性训练对老年妇女步态和生物力学的影响:一项随机临床试验。

IF 2.6 Q1 SPORT SCIENCES
Hyun Ju Kim, Il Bong Park
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引用次数: 0

摘要

背景:老年人步态下降与踝关节推进力降低和近端关节代偿依赖密切相关。这项随机试验研究了利用水惯性进行动态稳定性训练是否可以改善老年妇女的步态力学和重新分配下肢关节力矩。假设:(1)训练将改善步态速度、步幅和节奏。(2)踝关节跖屈力矩和正向机械功增大,髋伸力矩减小。方法:将24名65岁及以上的女性随机分为实验组和对照组。实验组穿充水背心,对照组穿加重背心。两组都进行了同样的训练计划,每周两次,持续12周。结果测量包括步态速度、步幅、节奏、踝关节足底屈曲力矩、髋部伸展力矩和终末站立时的积极机械功。双向混合(间内)方差分析(ANOVA)评估组间相互作用效应。结果:步态速度(p < 0.001)、步长(p < 0.001)、踝关节力矩(p = 0.017)和正功(p < 0.001)存在显著的组×时间交互作用。随着时间的推移,两组的心率都有所增加(p < 0.05),没有相互作用。实验组髋部弯矩略有下降。结论:水惯性负荷训练增强了推进力,促进了踝关节为主的步态,支持其用于改善老年妇女的步态功能和减少近端代偿。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of Dynamic Stability Training with Water Inertia Load on Gait and Biomechanics in Older Women: A Randomized Clinical Trial.

Background: Gait decline in older adults is closely linked to reduced ankle propulsion and a compensatory reliance on proximal joints. This randomized trial investigated whether dynamic stability training using water inertia can improve gait mechanics and redistribute lower-limb joint moments in older women. Hypotheses: (1) The training would improve gait speed, stride length, and cadence. (2) The ankle plantar flexor moment and positive mechanical work would increase, while hip extension moment would decrease. Method: Twenty-four women aged 65 years and older were randomly assigned to either an experimental or control group. The experimental group wore a water-filled aquavest, and the control group wore a weighted vest. Both groups performed the same training program twice weekly for 12 weeks. Outcome measures included gait speed, stride length, cadence, ankle plantar flexion moment, hip extension moment, and positive mechanical work during terminal stance. A two-way mixed (between-within) analysis of variance (ANOVA) evaluated the group × time interaction effects. Results: Significant group × time interactions were found for gait speed (p < 0.001), stride length (p < 0.001), ankle moment (p = 0.017), and positive work (p < 0.001). Cadence increased in both groups over time (p < 0.05), with no interaction. The hip moment declined slightly in the experimental group. Conclusions: Water inertia load training enhanced propulsion and promoted an ankle-dominant gait, supporting its use to improve gait function and reduce proximal compensation in older women.

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来源期刊
Journal of Functional Morphology and Kinesiology
Journal of Functional Morphology and Kinesiology Health Professions-Physical Therapy, Sports Therapy and Rehabilitation
CiteScore
4.20
自引率
0.00%
发文量
94
审稿时长
12 weeks
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