八週密集太極拳訓練對女性老年人下肢肌力及平衡能力之影響
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2006
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Abstract
本研究目的為探討經八週密集太極拳訓練對女性老年人下肢肌力與平衡能力的影響，以30位女性老年人(平均66.1 ± 4.02歲)為研究對象，隨機分配於太極拳訓練組與控制組(每組各十五名)，訓練組接受每週五次，每次60分鐘，運動強度約為最大心跳率之55%~65%的太極拳訓練，同時也探討多久的訓練才能對肌力及平衡能力有顯著的改善效果，本研究以多面向福樂進階平衡量表（Fullerton Advanced Balance scale , FAB scale）進行全面性的評估。受試者於訓練前、中（第4週）及後（第8週），接受下肢等速肌力測驗及各項平衡能力測驗，所得之資料採混合設計二因子變異數分析（mixed design two-way ANOVA）進行統計分析。結果發現：一、八週密集的訓練後，太極拳組在下肢總等速肌力、膝關節伸肌及髖關節內收肌有顯著的改善(p<.05)，但與對照組比較則沒有顯著差異。二、太極拳組的10個項目總平衡能力在四週與八週訓練後皆有顯著改善(p <.05)，其中六個項目(前傾取筆、原地轉圈、直線走、開眼單腳站立、擺頭行走及後傾反應等)均有顯著差異，與對照組比較有顯著的改善(p <.05)。結論：八週密集太極拳訓練後，對女性老年人在多面向平衡能力及下肢肌力皆有顯著的改善。
Objectives: The main purpose of this study was to investigate the effects of 8-week intense Tai Chi exercise training (5 days per week, 60 min each session, with intensity of 55% and 65% MHR) on lower extremity isokinetic strength and balance in the female older adults. Methods: Thirty community-residing women (average age was 66.10 ± 4.02 yr) were recruited as subjects and randomly assigned to Tai Chi Chuan group (TCG, 15 subjects) and control group (CG, 15 subjects) equally. Additionally, how long the intensive Tai Chi training could significantly improve lower extremity strength and balances also been investigated. A more dimensional Fullerton Advanced Balance scale, FAB scale, and the isokinetic torque of eight lower extremity strength were administered before, at 4-week and 8-week during training. The collected data were analyzed by mixed design two-way ANOVA. Results: 1) the sum isokinetic torque of eight lower extremity strength, the knee extensor and hip adductor of TCG were significantly improved (p<.05) after 8 weeks of training. 2) the total score of 10 FAB items of TCG were significantly improved after 4 weeks and 8 weeks of intensive Tai Chi training (p＜.05), and 6 items of FAB, including reaching forward to retrieve an object, turning in a full circle to right and left, tandem walk, standing on one leg(eyes open), walk with head turns, reactive postural control, were also significantly improved after training (p<.05). Conclusions: Eight-week intensive Tai Chi training can both significantly improve multiple dimensions of balance performances and the lower extremity strength of female older adults.
Objectives: The main purpose of this study was to investigate the effects of 8-week intense Tai Chi exercise training (5 days per week, 60 min each session, with intensity of 55% and 65% MHR) on lower extremity isokinetic strength and balance in the female older adults. Methods: Thirty community-residing women (average age was 66.10 ± 4.02 yr) were recruited as subjects and randomly assigned to Tai Chi Chuan group (TCG, 15 subjects) and control group (CG, 15 subjects) equally. Additionally, how long the intensive Tai Chi training could significantly improve lower extremity strength and balances also been investigated. A more dimensional Fullerton Advanced Balance scale, FAB scale, and the isokinetic torque of eight lower extremity strength were administered before, at 4-week and 8-week during training. The collected data were analyzed by mixed design two-way ANOVA. Results: 1) the sum isokinetic torque of eight lower extremity strength, the knee extensor and hip adductor of TCG were significantly improved (p<.05) after 8 weeks of training. 2) the total score of 10 FAB items of TCG were significantly improved after 4 weeks and 8 weeks of intensive Tai Chi training (p＜.05), and 6 items of FAB, including reaching forward to retrieve an object, turning in a full circle to right and left, tandem walk, standing on one leg(eyes open), walk with head turns, reactive postural control, were also significantly improved after training (p<.05). Conclusions: Eight-week intensive Tai Chi training can both significantly improve multiple dimensions of balance performances and the lower extremity strength of female older adults.
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太極拳, 老年人, 肌力, 平衡, Tai Chi Chuan, older adults, strength, balance