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タイトル: 低強度運動時の筋疲労に及ぼす筋血流量と筋内無機リンの影響
著者: 菅谷, 正人
キーワード: Muscle fatigue
Blood flow restriction
Inorganic phosphate
Intramuscular pH
発行日: 2010年3月24日
抄録: The mechanisms of low-intensity resistance exercise with blood flow restriction (BFR) induced muscle fatigue are unknown. Recent studies have suggested that the change in intramuscular metabolism under BFR exercise may contribute to muscle fatigue. In the present study, we investigated the kinetics of intramuscular metabolism during resistance exercise with BFR. Unilateral plantar flexion exercise was performed at 20% of one-repetition maximum with three conditions of BFR [0(no restriction, CON), 180 (BFR-Low), and 230mmHg (BFR-High)]. Change in inorganic phosphate (Pi) and intramuscular pH was recorded continuously during the entire protocol by phosphorus magnetic resonance spectroscopy. During the exercise, Pi was significantly higher in BFR-High than other conditions. The decline in pH was significantly greater in BFR-High than other conditions, but the value did not low level at even BFR-High. Therefore, main contributors of muscle fatigue in low-intensity resistance training with BFR may involve the accumulation of Pi.
内容記述: 報告番号: ; 学位授与年月日: 2010-03-24 ; 学位の種別: 修士 ; 学位の種類: 修士(環境学) ; 学位記番号: 修創域第3504号 ; 研究科・専攻: 新領域創成科学研究科人間環境学専攻
URI: http://hdl.handle.net/2261/37199
出現カテゴリ:025 修士論文
1223525 修士論文(環境学研究系人間環境学専攻)


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