| Effects of modified Tai Chi exercise on lower limb muscle strength and cardiopulmonary endurance of elderly women with knee OA |
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| DOI： |
| EN KeyWords: Tai Chi knee osteoarthritis lower limb muscle strength cardiopulmonary endurance |
| Fund Project:国家自然科学基金资助项目（82072541）；江苏省科研与实践创新计划项目（KYCX20-1741） |
| 作者 | 单位 | | 宋九龙 | 1.南京体育学院研究生部, 南京 210014；2.南京医科大学附属南京医院（南京市第一医院）康复医学科, 南京 210006 | | 李雪萍 | 南京医科大学附属南京医院（南京市第一医院）康复医学科, 南京 210006 | | 程凯 | 南京医科大学附属南京医院（南京市第一医院）康复医学科, 南京 210006 | | 林强 | 南京医科大学附属南京医院（南京市第一医院）康复医学科, 南京 210006 | | 王馨伟 | 南京医科大学附属南京医院（南京市第一医院）康复医学科, 南京 210006 | | 叶子琦 | 1.南京体育学院研究生部, 南京 210014；2.南京医科大学附属南京医院（南京市第一医院）康复医学科, 南京 210006 | | 魏丽君 | 南京市栖霞区迈皋桥社区卫生服务中心, 南京 210046 | | 陈宝宜 | 南京市栖霞区迈皋桥社区卫生服务中心, 南京 210046 | | 丁爱梅 | 南京市栖霞区迈皋桥社区卫生服务中心, 南京 210046 |
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| EN Abstract: |
| Objective: To investigate the effects of a 12-week modified Tai Chi exercise on lower limb muscle strength and cardiopulmonary endurance of elderly women with knee osteoarthritis (KOA). Methods: A total of 40 elderly women with KOA were randomly divided into Tai Chi group (n=20) and control group (n=20) by radom number table method randomization and a 12-week intervention was conducted. Surface electromyography (sEMG), cardiovascular function, pulmonary function, and 6-minute walk test (6MWT) were performed before and after treatment. Results: Before treatment, there was no significant difference in the indexes between the two groups. There were no significant differences in all indicators of the control group before and 12 weeks after treatment. In the Tai Chi group, both RMS and MF values of the vastus medialis, rectus femoris, vastus lateralis, biceps femoris after treatment were significantly higher than those before treatment (P<0.05). HR, SBP, DBP and HR×SBP were notably decreased (P<0.05), FVC, FEV1, FEV1/FVC%, and MVV and the walking distance of 6MWT were considerably increased in the Tai Chi group as compared with those before treatment (P<0.05). Except the change in Borg score, the rest indicators showed significant differences between two groups (P<0.05). Conclusion: Modified Tai Chi exercise as a rehabilitation training method is beneficial to improve the muscle strength of the lower limbs and the cardiopulmonary endurance of elderly women with KOA. |
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