Effects of Tai Chi on Gait Kinematics, Physical Function, and Pain in Elderly with Knee Osteoarthritis — A Pilot Study

骨关节炎 医学 步态 物理疗法 物理医学与康复 膝关节痛 跨步 多元方差分析 最佳步行速度 重复措施设计 步态分析 膝关节 外科 统计 替代医学 数学 病理 机器学习 计算机科学
作者
Chwan‐Li Shen,C. Roger James,M.-C. Chyu,Walter R. Bixby,Jean‐Michel Brismée,Mimi Zumwalt,Glen Poklikuha
出处
期刊:The American Journal of Chinese Medicine [World Scientific]
卷期号:36 (02): 219-232 被引量:55
标识
DOI:10.1142/s0192415x08005734
摘要

Our previous study has demonstrated that 6 weeks of Tai Chi exercise significantly improves knee pain and stiffness in elderly with knee osteoarthritis. This study also examine the effects of Tai Chi exercise on gait kinematics, physical function, pain, and pain self-efficacy in elderly with knee osteoarthritis. In this prospective, pretest-posttest clinical trial, 40 men and women (64.4 ± 8.3 years) diagnosed with knee osteoarthritis participated in 6 weeks of instructed Tai Chi training, 1 hour/session, 2 sessions/week. The following measures were taken at baseline and the conclusion of the intervention: (a) gait kinematics including stride length, stride frequency, and gait speed quantified using video analysis, (b) physical function, (c) knee pain, and (d) pain self-efficacy. Data were analyzed using repeated MANCOVA, MANOVA, ANOVA and Wilcoxon tests. After 6 weeks of Tai Chi exercise, stride length ( p = 0.023; 1.17 ± 0.17 vs. 1.20 ± 0.14 m ), stride frequency ( p = 0.014; 0.91 ± 0.08 vs. 0.93 ± 0.08 strides/s), and consequently gait speed (p < 0.025; 1.06 ± 0.19 vs. 1.12 ± 0.15 m/s ) increased in the participants. Physical function was significantly improved ( p < 0.001) and knee pain was significantly decreased ( p = 0.002), while no change was observed in pain self-efficacy. In conclusion, these findings support that Tai Chi is beneficial for gait kinematics in elderly with knee osteoarthritis, and a longer term application is needed to substantiate the effect of Tai Chi as an alternative exercise in management of knee osteoarthritis.
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