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High ree in heavy-weight athletes attributed to large organ-tissue mass

http://hdl.handle.net/10748/3929
http://hdl.handle.net/10748/3929
aa9edd21-eaaf-4631-a1d3-1ca225e1cd83
名前 / ファイル ライセンス アクション
10086-001.pdf 10086-001.pdf (1.2 MB)
Item type プレプリント / Preprint(1)
公開日 2010-11-30
タイトル
タイトル High ree in heavy-weight athletes attributed to large organ-tissue mass
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_1843
資源タイプ other
著者 Midorikawa, Taishi

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Midorikawa, Taishi

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Kondo, Masakatsu

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Kondo, Masakatsu

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Beekley, Matthew D.

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Beekley, Matthew D.

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Koizumi, Kiyoshi

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Koizumi, Kiyoshi

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Abe, Takashi

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Abe, Takashi

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著者(ヨミ) ミドリカワ, タイシ

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WEKO 15023

ミドリカワ, タイシ

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コンドウ, マサカツ

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WEKO 15024

コンドウ, マサカツ

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コイズミ, キヨシ

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WEKO 15025

コイズミ, キヨシ

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アベ, タカシ

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WEKO 15026

アベ, タカシ

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著者別名 緑川, 泰史

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WEKO 15027

緑川, 泰史

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近藤, 正勝

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WEKO 15028

近藤, 正勝

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小泉, 潔

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WEKO 15029

小泉, 潔

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安部, 孝

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WEKO 15030

安部, 孝

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抄録
内容記述タイプ Abstract
内容記述 It is unknown whether increased resting energy expenditure (REE) in athletes is due to changes in organ-tissue mass and/or metabolic rate. The purpose of this study was to investigate the effect of the organ-tissue component of fat-free mass (FFM) on absolute and relative REE (the REE/FFM ratio) for heavy-weight athletes. We examined the relationship between the REE measured by indirect calorimetry and the REE calculated from organ-tissue mass. Ten heavy-weight athletes (Sumo wrestlers) and 11 moderately active male students (controls) were recruited to participate in this study. FFM was measured by two-component densitometry. Contiguous magnetic resonance imaging (MRI) images with a 1cm slice thickness were obtained from the parietal to the ankle joints, and the cross-sectional area and volume were determined for each type of organ-tissue. The volume units were converted into mass by an assumed constant density. The measured-REE was determined by indirect calorimetry. The calculated-REE was estimated as the sum of individual organ-tissue masses multiplied by their metabolic rate constants. The measured-REE for Sumo wrestlers (2286kcal/day) was higher (P<0.01) than for controls (1550kcal/day), but the measured-REE/FFM ratio was similar between the two groups (Sumo wrestlers 29.1kcal/kg/day vs. controls 29.3kcal/kg/day). Sumo wrestlers had a greater amount of FFM and FFM components (e.g., skeletal muscle (SM), liver and kidney) except for brain, while the proportion of organ-tissue mass to FFM was not different between the two groups except for liver. The absolute and relative measured-REE values for Sumo wrestlers were not significantly different from the respective calculated-REE values. The REE for heavy-weight athletes can be attributed not to an elevation of the organ-tissue metabolic rate, but to a larger absolute amount of low and high metabolically active tissue including SM, liver and kidney.
書誌情報 Medicine and Science in Sports and Exercise

発行日 2007
ISSN
収録物識別子タイプ ISSN
収録物識別子 01959131
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA00305590
権利
権利情報 American College of Sports Medicine
著者版フラグ
出版タイプ AO
出版タイプResource http://purl.org/coar/version/c_b1a7d7d4d402bcce
その他のタイトル
その他のタイトル 競技者の高い安静時エネルギー代謝は器官・組織重量に依存する
出版者
出版者 American College of Sports Medicine
資源タイプ
内容記述タイプ Other
内容記述 preprint
関係URI
識別子タイプ HDL
関連識別子 http://hdl.handle.net/10748/3931
関連名称 http://hdl.handle.net/10748/3931
関係
関連名称 収録先の科研費報告書「安静時エネルギー代謝との関連からみた臓器重量と骨格筋量に対するトレーニングの効果」(課題番号15300221, 2003年度~2005年度, 基盤研究(B))(http://hdl.handle.net/10748/3931)
権利URI
http://edmgr.ovid.com/msse/accounts/copyrightTransfer.pdf
http://edmgr.ovid.com/msse/accounts/copyrightTransfer.pdf
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