Effect of isokinetic strength training on knee muscle strength and fall risk in the elderly
CHENG Wenchang1 HUO Shaochuan2 LIU-FU Yifei2 ZHANG Congyu2 YANG Junxing2#br#
1.The Sixth Clinical Medical School, Guangzhou University of Chinese Medicine, Guangdong Province, Guangzhou 510405, China;
2.Department of Orthopedics and Traumatology, Shenzhen Hospital of Guangzhou University of Chinese Medicine (Futian), Guangdong Province, Shenzhen 518000, China
Abstract:Objective To explore the effect of isokinetic strength training on knee muscle strength and fall risk in the elderly. Methods A total of 44 elderly people from Shenzhen Hospital of Guangzhou University of Chinese Medicine (Futian) and surrounding communities from May 2020 to May 2021 were recruited. They were divided into experimental group and control group by random envelope method, with 22 elderly people in each group. The control group received fall prevention education and functional exercise. On the basis of the control group, the experimental group carried out functional training of quadriceps femoris with isokinetic strength training system both groups were trained for eight weeks. The peak torque (PT) of knee flexion and extensor, the score of Tinetti performance oriented mobility assessment (Tinetti POMA), and the time of timed “up and go” test (TUGT) were compared between the two groups before and after training. Results During the study, a total of four elderly people fell off, including two elderly people in the control group, and two elderly people in the experimental group. After training, PT of knee flexor and extensor muscle in both groups were higher than those before training when the angular velocity of test were 60°/s and 180°/s, and the experimental group was higher than the control group, the differences were statistically significant (P < 0.05). After training, Tinetti POMA scores in both groups were higher than those before training, and the experimental group was higher than the control group, the differences were statistically significant (P < 0.05). After training, the time of TUGT in both groups was shorter than that before training, and the experimental group was shorter than the control group, the differences were statistically significant (P < 0.05). There was no significant difference in the total incidence of adverse reactions between the two groups (P > 0.05). Conclusion The application of isokinetic strength training system for quadriceps femoris function training can significantly improve the maximum knee strength of the elderly, improve the muscle endurance of lower limbs, enhance the balance of energy, and reduce the risk of falls in daily life.
程文昌1 霍少川2 刘付懿斐2 章聪煜2 杨俊兴2. 等速肌力训练对老年人膝关节肌力和跌倒风险的影响[J]. 中国医药导报, 2022, 19(19): 107-110.
CHENG Wenchang1 HUO Shaochuan2 LIU-FU Yifei2 ZHANG Congyu2 YANG Junxing2. Effect of isokinetic strength training on knee muscle strength and fall risk in the elderly. 中国医药导报, 2022, 19(19): 107-110.
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