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  • 标题:Effects of Physical Training on Bone Mineral Density and Bone Metabolism
  • 本地全文:下载
  • 作者:Yuko Shibata ; Isao Ohsawa ; Tomoyuki Watanabe
  • 期刊名称:Journal of PHYSIOLOGICAL ANTHROPOLOGY and Applied Human Science
  • 印刷版ISSN:1345-3475
  • 出版年度:2003
  • 卷号:22
  • 期号:4
  • 页码:203-208
  • DOI:10.2114/jpa.22.203
  • 出版社:Japan Society of Physiological Anthropology
  • 摘要:

    The purpose of this study was to examine the influences of long-term walking training and walking and jumping training on bone mineral density (BMD) and bone metabolism. Data from 28 healthy premenopausal women was assessed. The subjects were divided into the walking group (WG; 17 women mean±SE age 35±2 years), and the walking and jumping group (WJG; 11 women mean±SE age 39±1 years). BMD was measured in the lumbar spine and proximal femur using dual energy X-ray absorptiometry (DXA). As markers of bone metabolism, this study was to measure bone formation markers, bone-alkaline phosphatase (B-ALP: measured by enzyme immunoassay/EIA) and osteocalcin (BGP: by radioimmunoassay/RI) as well as bone resorption markers, parathyroid hormone (PTH: measured by/RI) and type I collagen cross-linked N-telopeptides (NTx: by EIA). Despite the significant decrease in body weight (p<0.05), no corresponding decrease in BMD was observed. Moreover, no significant difference in bone markers BGP, PTH, and NTx was observed. B-ALP was significantly increased (p<0.05) after one year, and the rate of this increase was greater in the WJG than in the WG. It is thus concluded that walking training for one year is beneficial for the promotion of bone formation, and that jumping stimulus maintain BMD effectively.

  • 关键词:bone mineral density; bone formation marker; jumping and walking
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