初潮前体操运动对骨骼的益处，在停止运动后依然存在。
Skeletal benefits of pre-menarcheal gymnastics are retained after activity cessation.
作者信息
Scerpella Tamara A, Dowthwaite Jodi N, Gero Nicole M, Kanaley Jill A, Ploutz-Snyder Robert J
机构信息
Dept. of Orthopedic Surgery, SUNY Upstate Medical University, Syracuse, NY, USA.
出版信息
Pediatr Exerc Sci. 2010 Feb;22(1):21-33. doi: 10.1123/pes.22.1.21.
Abstract
Mechanical loading during childhood and adolescence may yield skeletal benefits that persist beyond activity cessation and menarche. At 1 year pre- and 2 years post-menarche, nondominant forearm areal bone mineral density (aBMD), bone mineral content (BMC) and projected area (area) were compared in gymnasts (n = 9), ex-gymnasts (n = 8) and nongymnasts (n = 13). At both observations, gymnasts and ex-gymnasts had higher forearm aBMD, BMC and area than nongymnasts. Gymnasts had higher postmenarcheal means than ex-gymnasts for all three parameters. Childhood mechanical loading yields skeletal advantages that persist at least 24 months after loading cessation and menarche. Continued postmenarcheal loading yields additional benefit.
摘要
儿童期和青春期的机械负荷可能会给骨骼带来益处，这些益处会在活动停止和月经初潮后持续存在。在月经初潮前1年和月经初潮后2年，对体操运动员（n = 9）、前体操运动员（n = 8）和非体操运动员（n = 13）的非优势前臂骨面积密度（aBMD）、骨矿物质含量（BMC）和投影面积（面积）进行了比较。在两次观察中，体操运动员和前体操运动员的前臂aBMD、BMC和面积均高于非体操运动员。在所有三个参数上，体操运动员月经初潮后的平均值均高于前体操运动员。儿童期的机械负荷会产生骨骼优势，这种优势在负荷停止和月经初潮后至少持续24个月。月经初潮后继续进行负荷会带来额外的益处。
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