Departmental Bulletin Paper 筋力トレーニングと血管機能

堀内, 雅弘

125pp.63 - 78 , 2016-03-30 , 北海道大学大学院教育学研究院
“A man is as old as his arteries”was a favorite axiom of William Osler(1849–1919), sometimes called the “Father of Modern Medicine” and to some extent accurately represents the effect of vascular dysfunction on various aging processes. It is well est ablished that regular aerobic training improves vascular function, for example, endothelium-dependent vasodilatation and arterial stiffness or compliance and thereby constitutes a preventative measure against cardiovascular disease. In modern aging society, sarcopenia induced by loss of muscle volume in aged people is becoming an increased problem. However, aerobic training is ins ufficient to inhibit loss in muscular strength with advancing age; thus, resistance training is recommended to prevent sarcopenia. High-intensity resistance training has sufficient stimulus to increase muscle volume and function though this type of training increases blood pressure during exercise. Since elevated blood pressure may worse vascular function, it should be considered to do high–intensity resistance training for elderly. Alternatively, several lines of study have provided compelling data showing that low-intensity resistance exercise and/or training with blood flow restriction (BFR) leads to muscle hypertrophy and strength increase. As such, BFR training might be a novel means of overcoming the contradiction between aerobic and high-intensity resistance training. However, it is not enough evidence to obtain consensus about impact of resistance training either with or without BFR. This paper is a review of the literature on the impact of resistance training with or without BFR training on vascular function, such as endothelial function, arterial compliance, or other potential factors.

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