广场舞结合钙尔奇对绝经后妇女骨密度、血清性激素及平衡能力的影响

Effects of square dance combined with calcium supplementation on bone mineral density,serum sex hormone and balance ability in postmenopausal women

目的通过观察广场舞对绝经后妇女骨密度、血清性激素及平衡能力的影响,探讨广场舞防治绝经后妇女骨质疏松症、降低跌倒风险的作用。方法 80名绝经后妇女随机分为实验组和对照组,实验组应用广场舞运动联合钙剂干预,对照组单纯予以钙剂干预。实验前及实验干预后3个月和6个月分别检测两组受试者胫骨及足跟骨密度、血清性激素、睁眼和闭眼状态下单腿站立时间(TIME-SLC,TIME-SLO)、足底压力中心在左右和前后方向的最大位移量(D x,D y)。结果实验组治疗3个月及6个月后胫骨及足跟骨骨密度明显增加,与对照组比较有有显著性差异(P<0.05);血清雌二醇(E_2)、孕酮(P)水平明显提高,与对照组比较有有显著性差异(P<0.05);睁眼和闭眼状态下的单腿站立时间明显增加,与对照组比较有有显著性差异(P<0.05);而TIME-SLC,TIME-SLO及Dx,Dy明显下降,具有显著性差异(P<0.05)。结论广场舞运动结合钙剂能有效减缓绝经后妇女胫骨及足跟骨密度下降速度,提高血清性激素水平,改善平衡能力,且随着干预时间延长,效果更明显。

Objective To observe the effects of square dance on bone mineral density,serum sex hormones and balance ability in postmenopausal women,and to explore the role of square dance in preventing osteoporosis and reducing the risk of falls in postmenopausal women. Methods Eighty postmenopausal women were randomly divided into experimental group and control group. The experimental group was treated with square dance exercise combined with calcium intervention,and the control group was treated with calcium alone. The tibial and calcaneal bone mineral density,serum sex hormones,time of single leg stand with eyes closed（ TIME-SLC） and eyes open（ TIME-SLO） and the maximum body sway at the x and y directions（ Dx,Dy） were measured at 3 and 6 months in both groups. Results Compared with the control group,the experimental group had significantly higher tibial and calcaneal bone mineral density and serum estradiol（ E2） and progesterone（ P） levels,significantly increased TIME-SLC and TIME-SLO,and significantly decreased Dx and Dy at 3 and 6 months（ all P〈0. 05）. Conclusion Square dance exercise combined with calcium supplementation could effectively slowdown the loss of bone mineral density at tibia and heel in postmenopausal women,improve the level of serum sex hormones and improve the balance ability. With the prolonged intervention time,the effect was stronger.