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目的 :探讨运动锻炼对绝经女性腰椎L2 -4骨密度的影响和运动锻炼防治骨质疏松的作用。方法 :将基本情况相当的绝经女性 48名随机分为 4组 ,不参加体育运动的为A组 ,1 2名 ;步行和跑步的为B组 ,1 2名 ;练扇子舞的为C组 ,1 2名 ;参加太极推手运动的为D组 ,1 2名。经 1 0个月锻炼 ,比较分析骨密度值。结果 :锻炼前后 4个组的骨密度值都有显著性变化 (P <0 0 5或P <0 0 1 ) ,A组骨密度减小 ,3个运动组锻炼后的骨密度增大 ,D组最明显 ,并且D组分别与B、C两组于锻炼后有显著性差异 (P <0 0 5 ) ,即太极推手运动防治腰椎L2 -4骨质疏松更有效。结论 :运动锻炼能增加绝经女性腰椎L2 -4骨量 ,增大其骨密度 ,防治骨质疏松 ,并且太极推手运动的锻炼效果更显著。
Objective: To investigate the effect of exercise training on the density of lumbar spine L2-4 in postmenopausal women and the effect of exercise training on prevention and treatment of osteoporosis. Methods: Forty-eight postmenopausal women with similar basic conditions were randomly divided into 4 groups, 12 in group A and 12 in non-physical exercise group, 12 in walking and running group B, 12 in group B 2; participate in Tai Chi pushing hand movement for the D group, 12. After 10 months of exercise, comparative analysis of bone mineral density value. Results: Before and after exercise, BMD of four groups had significant changes (P <0.05 or P <0.01), BMD of group A decreased, BMD of three exercise groups increased, D (P <0.05), that is to say, Tai Chi pushing hand exercise is more effective in preventing and treating L2-4 osteoporosis in lumbar spine. Conclusion: Exercise training can increase the amount of L2-4 bone mass in lumbar spine of postmenopausal women, increase their BMD, prevent and cure osteoporosis, and exercise effect of Tai Chi push hand movement is more significant.