Bone Mineral Density and Body Composition of Adult Premenopausal Women with Three Levels of Physical Activity

被引:20
作者
Saravi, Fernando D. [1 ,2 ]
Sayegh, Fabiana [3 ,4 ]
机构
[1] Nuclear Medicine Sch, Bone Densitometry Unit, RA-5500 Mendoza, Argentina
[2] Univ Nacl Cuyo, Fac Med Sci, Inst Physiol, RA-5500 Mendoza, Argentina
[3] Univ Nacl Cuyo, Fac Med Sci, Area Gynecol & Obstet, RA-5500 Mendoza, Argentina
[4] Univ Hosp, Univ Nacl Cuyo, RA-5500 Mendoza, Argentina
关键词
D O I
10.1155/2013/953271
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
Weight-bearing and resistance physical activities are recommended for osteoporosis prevention, but it is unclear whether an intensity level above current recommendations has a positive effect on adult premenopausal women. Body composition and bone mineral density (BMD) by DXA were compared in three groups of women as follows: Sedentary, Maintenance exercise, and federated Sport Team (n = 16 for each group). Physical activity was estimated from the International Physical Activity Questionnaire (IPAQ). The groups did not differ in age, height, weight, or body mass index. Bone mineral content and non-fat soft tissue mass were higher and fat mass was lower in the Sport Team group than in the other groups. The same was true for BMD of total skeleton, lumbar spine, femoral neck, and total hip. A test for linear trend of body composition and BMD showed significant results when including all three groups. Simple and multiple regression analyses showed significant associations between physical activity level (or alternatively, years of participation in programmed physical activity) and bone mass measures at all sites except for the middle third of radius. It is concluded that a level of physical activity higher than that usually recommended benefits bone health in adult premenopausal women.
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页数:7
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