Effects of resistance exercise combined with moderate vascular occlusion on muscular function in humans

Yudai Takarada, Haruo Takazawa, Yoshiaki Sato, Shigeo Takebayashi, Yasuhiro Tanaka, Naokata Ishii

研究成果: Article査読

413 被引用数 (Scopus)

抄録

Acute and long-term effects of resistance exercise combined with vascular occlusion on muscular function were investigated. Changes in integrated electromyogram with respect to time (iEMG), vascular resistive index, and plasma lactate concentration were measured in five men either during or after elbow flexion exercises with the proximal end of the arm occluded at 0-100 mmHg. The mean iEMG, postexercise hyperemia, and plasma lactate concentration were all elevated with the increase in occlusion pressure at a low-intensity exercise, whereas they were unchanged with the increase in occlusion pressure at high-intensity exercise. To investigate the long-term effects of low-intensity exercise with occlusion, older women (n = 24) were subjected to a 16-wk exercise training for elbow flexor muscles, in which low-intensity [~50-30% one repetition maximum (1 RM)] exercise with occlusion at ~110 mmHg (LIO), low-intensity exercise without occlusion (LI), and high to medium-intensity (~80-50% 1 RM) exercise without occlusion (HI) were performed. Percent increases in both cross-sectional area and isokinetic strength of elbow flexor muscles after LIO were larger than those after LI (P < 0.05) and similar to those after HI. The results suggest that resistance exercise at an intensity even lower than 50% 1 RM is effective in inducing muscular hypertrophy and concomitant increase in strength when combined with vascular occlusion.

本文言語English
ページ(範囲)2097-2106
ページ数10
ジャーナルJournal of Applied Physiology
88
6
DOI
出版ステータスPublished - 2000
外部発表はい

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

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