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女运动员中运动相关的闭经和月经过少发生率较高,而闭经和月经过少均造成骨矿密度(BMD)减少,尤其表现于腰椎。目前,有关运动员髋骨和其它骨密度的研究资料非常有限,而在不同训练方式下(例如赛跑、体操)对运动员由于骨骼负荷条件不同,造成骨密度差异的研究就更少。作者研究了长跑和体操运动员的腰椎、股骨近端(尤其股骨颈)和全身的骨密度,并将其中月经过少和闭经者骨密度的数值与正常月经的同龄女大学生进行了比较。
Sports-related amenorrhea and menorrhagia among women athletes are higher, while amenorrhea and menorrhagia all contribute to a decrease in BMD, especially in the lumbar spine. At present, there is very limited information on the hip and other bone mineral density of athletes, and there are fewer studies on the differences in BMD between athletes under different training methods (such as racing and gymnastics) due to different loading conditions. The authors studied the lumbar spine, proximal femur (especially the femoral neck) and total body mineral density of long-distance runners and gymnasts, and compared the values of menorrhagia and amenorrhea with those of the same age women with normal menstruation.