15～97歳日本人男女1006名における体肢筋量と筋量分布

DOI 機関リポジトリ HANDLE Web Site Web Site 被引用文献11件 参考文献47件
  • 山田 陽介
    京都大学大学院人間・環境学研究科認知・行動科学講座
  • 木村 みさか
    京都府立医科大学看護学科
  • 中村 榮太郎
    京都大学大学院人間・環境学研究科認知・行動科学講座
  • 増尾 善久
    早稲田大学総合研究機構エルダリー・ヘルス研究所
  • 小田 伸午
    京都大学大学院人間・環境学研究科認知・行動科学講座

書誌事項

タイトル別名
  • LIMB MUSCLE MASS DECREASE WITH AGING IN JAPANESE MEN AND WOMEN AGED 15-97 yr
  • 15 97サイ ニホンジン ダンジョ 1006メイ ニ オケル タイシ キンリョウ ト キンリョウ ブンプ

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抄録

Although skeletal muscle mass decreases with aging, its decrease rate may differ among parts of the body. There have been few studies examining the differences in the muscle mass decrease rate between proximal and distal parts of the limbs or between the left and right legs in a large population. Bioelectrical impedance (BI) index, calculated as the ratio of the square of segment length to impedance, is linearly correlated with the muscle mass calculated by MRI (r=0.902-0.976, p<0.05, Miyatani et al., 2001) in the limb segments. The purpose of this study was to examine differences in the decrease rate of muscle mass between the proximal and distal parts of the limbs and between the upper and lower limbs in healthy Japanese. The BI index was measured in the bilateral thighs, lower legs, upper arms, and forearms of 1006 healthy Japanese men and women (aged 15-97 years). While the BI index decreased with aging in all examined parts of the body, the decrease rate was larger in the lower limb than in the upper limb, and in the thigh than in the lower leg. The percentage of people who showed a difference of more than 10 % in the BI index between the left and right lower limbs was significantly higher in the elderly than in young subjects. These differences in the decrease rate of muscle mass between limbs may be associated with decreases in physical functions in the elderly.

収録刊行物

  • 体力科学

    体力科学 56 (5), 461-472, 2007

    一般社団法人日本体力医学会

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