Dose effect on intramuscular metabolic stress during low-intensity resistance exercise with blood flow restriction

Tadashi Suga, Koichi Okita, Noriteru Morita, Takashi Yokota, Kagami Hirabayashi, Masahiro Horiuchi, Shingo Takada, Masashi Omokawa, Shintaro Kinugawa, Hiroyuki Tsutsui

研究成果: ジャーナルへの寄稿記事

66 引用 (Scopus)

抄録

Our previous study reported that metabolic stress in skeletal muscle achieved by combining moderate blood flow restriction (BFR) with low-intensity resistance exercise at 20% of one repetition maximum ( 1 RM) could not reach the level achieved by high-intensity resistance exercise. Since the previous protocol is typical of current regimens of this type, we sought in this study to optimize the exercise protocol for low-intensity resistance exercise with BFR by examining the dose effects of exercise intensity and pressure. Twelve healthy subjects participated in this study. They were asked to perform unilateral plantar flexion for 2 min (30 repetitions/min) under six different conditions: two resistance exercises (20% 1 RM and 65% 1 RM) without BFR, and four BFR protocols. The four BFR protocols included three different exercise intensities (20, 30, and 40% 1 RM) with moderate pressure (MP) using 130% of systolic blood pressure (147 ± 17 mmHg, mean ± SD) and 20% 1 RM with high pressure at 200 mmHg. Intramuscular metabolites and pH were obtained by 31P-magnetic resonance spectroscopy. Significant dose effects on intramuscular metabolites and pH were observed for exercise intensity (P < 0.001) but not for BFR pressure. The BFR protocol combining 30% 1 RM with MP had similar results as the high-intensity load at 65% 1 RM. Intramuscular metabolic stress during BFR exercise might be susceptible to increasing exercise intensity. To replace high-intensity resistance exercise, the BFR protocol might require an intensity of ≥30% 1 RM.

元の言語英語
ページ(範囲)1563-1567
ページ数5
ジャーナルJournal of Applied Physiology
108
発行部数6
DOI
出版物ステータス出版済み - 6 1 2010

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Physiological Stress
Exercise
Pressure
Blood Pressure
Healthy Volunteers
Skeletal Muscle
Magnetic Resonance Spectroscopy

All Science Journal Classification (ASJC) codes

  • Physiology
  • Physiology (medical)

これを引用

Dose effect on intramuscular metabolic stress during low-intensity resistance exercise with blood flow restriction. / Suga, Tadashi; Okita, Koichi; Morita, Noriteru; Yokota, Takashi; Hirabayashi, Kagami; Horiuchi, Masahiro; Takada, Shingo; Omokawa, Masashi; Kinugawa, Shintaro; Tsutsui, Hiroyuki.

:: Journal of Applied Physiology, 巻 108, 番号 6, 01.06.2010, p. 1563-1567.

研究成果: ジャーナルへの寄稿記事

Suga, T, Okita, K, Morita, N, Yokota, T, Hirabayashi, K, Horiuchi, M, Takada, S, Omokawa, M, Kinugawa, S & Tsutsui, H 2010, 'Dose effect on intramuscular metabolic stress during low-intensity resistance exercise with blood flow restriction', Journal of Applied Physiology, 巻. 108, 番号 6, pp. 1563-1567. https://doi.org/10.1152/japplphysiol.00504.2009
Suga, Tadashi ; Okita, Koichi ; Morita, Noriteru ; Yokota, Takashi ; Hirabayashi, Kagami ; Horiuchi, Masahiro ; Takada, Shingo ; Omokawa, Masashi ; Kinugawa, Shintaro ; Tsutsui, Hiroyuki. / Dose effect on intramuscular metabolic stress during low-intensity resistance exercise with blood flow restriction. :: Journal of Applied Physiology. 2010 ; 巻 108, 番号 6. pp. 1563-1567.
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AU - Hirabayashi, Kagami

AU - Horiuchi, Masahiro

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