Effects of Exercise on Physical Fitness and Strength According to the Frailty Level of Female Elderly with Hypertension
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PURPOSE: The purpose of this study was to determine the effects of exercise on physical fitness and strength according to their frailty level of the hypertensive female elderly aged over 65. METHODS: Female elderly subjects (>65 year) with hypertension (n=90) were classified according to their level of frailty (Fr_), and were divided into control group (Ctrl) and exercise group (Ex). Hypertensive female elderly in exercise groups were subjected to 8-week combined exercise of aerobic (stretching and walking) and resistance (elastic band and weight training) exercise twice per week (50 minutes×2 times×8 weeks). Body composition, functional fitness and skeletal muscle strength were evaluated as main variables (Ctrl, n=27; Ex, n=23; Fr_Ctrl, n=17; Fr_Ex, n=23). RESULTS: Body composition, blood pressure, fasting glucose level (include hemoglobin A1c) and blood lipid profile did not interact with the exercise intervention and frailty level. Records of 30-second chair stretch test, two-minute walk test and arm curl increased after exercise intervention regardless of frailty level. The strength of quadriceps femoris increased after exercise intervention regardless of the level of frailty. However, the strength of biceps femoris (p<.001), biceps brachii (p<.05) and triceps brachii (p<.001) was significantly increased in the Fr_Ex compared to pre-intervention of exercise. CONCLUSIONS: The classification according to the level of frailty in hypertensive female elderly can have a significant effect on the degree of muscle strength improvement by exercise intervention. In addition, this study newly discovered that the improvement of 30-s chair stretch test record in the hypertensive elderly women appeared faster than the improvement of the rapid-gait test record independently of the level of frailty.
Abstract
PURPOSE: The purpose of this study was to determine the effects of exercise on physical fitness and strength according to their frailty level of the hypertensive female elderly aged over 65. METHODS: Female elderly subjects (>65 year) with hypertension (n=90) were classified according to their level of frailty (Fr_), and were divided into control group (Ctrl) and exercise group (Ex). Hypertensive female elderly in exercise groups were subjected to 8-week combined exercise of aerobic (stretching and walking) and resistance (elastic band and weight training) exercise twice per week (50 minutes×2 times×8 weeks). Body composition, functional fitness and skeletal muscle strength were evaluated as main variables (Ctrl, n=27; Ex, n=23; Fr_Ctrl, n=17; Fr_Ex, n=23). RESULTS: Body composition, blood pressure, fasting glucose level (include hemoglobin A1c) and blood lipid profile did not interact with the exercise intervention and frailty level. Records of 30-second chair stretch test, two-minute walk test and arm curl increased after exercise intervention regardless of frailty level. The strength of quadriceps femoris increased after exercise intervention regardless of the level of frailty. However, the strength of biceps femoris (p<.001), biceps brachii (p<.05) and triceps brachii (p<.001) was significantly increased in the Fr_Ex compared to pre-intervention of exercise. CONCLUSIONS: The classification according to the level of frailty in hypertensive female elderly can have a significant effect on the degree of muscle strength improvement by exercise intervention. In addition, this study newly discovered that the improvement of 30-s chair stretch test record in the hypertensive elderly women appeared faster than the improvement of the rapid-gait test record independently of the level of frailty.
참고문헌 (21)
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