マサムネ　ケン   Masamune Ken   正宗　賢    所属   医学研究科 医学研究科 (医学部医学科をご参照ください)    職種   教授
論文種別	原著
言語種別	英語
査読の有無	査読あり
表題	Effects of low-load, elastic band resistance training combined with blood flow restriction on muscle size and arterial stiffness in older adults
掲載誌名	正式名：The Journals of Gerontology Series 略　 称：J Gerontol A Biol Sci Med Sci ISSNコード：10795006
掲載区分	国外
出版社	Oxford University Press
巻・号・頁	70(8),pp.950-958
著者・共著者	YASUDA Tomohiro† , FUKUNURA Kazuya, UCHIDA Yusuke , KONISHI Hitomi , IIDA Haruko, MASAMUNE Ken, YAMASOBA Tatsuya , SATO Yoshiaki , NAKAJIMA Toshiaki
発行年月	2015/08
概要	We examined the effect of low-load, elastic band resistance training with blood flow restriction (BFR) on muscle size and arterial stiffness in older adults. Healthy older adults (aged 61-85 years) were divided into BFR training (BFR-T, n = 9) or non-BFR training (CON-T, n = 8) groups. Both groups performed low-load arm curl and triceps down exercises (four sets, total 75 repetitions for each) using an elastic band, 2 d/wk for 12 weeks. The BFR-T group wore inflated pneumatic elastic cuffs (120-270 mm Hg) on both arms during training. Magnetic resonance imaging-measured muscle cross-sectional area of the upper arm, maximum voluntary isometric contraction of the elbow flexors and extensors, cardio-ankle vascular index testing, and ankle-brachial pressure index were measured before and 3-5 days after the final training session. Muscle cross-sectional area of the elbow flexors (17.6%) and extensors (17.4%) increased, as did elbow flexion and elbow extension maximum voluntary isometric contraction (7.8% and 16.1%, respectively) improved (p < .05) in the BFR-T group, but not in the CON-T group. In cardio-ankle vascular index and ankle-brachial pressure index testing, there were no changes between pre- and post-results in either group. In conclusion, elastic band BFR-T improves muscle cross-sectional area as well as maximal muscle strength but does not negatively affect arterial stiffness in older adult
DOI	doi.org/10.1093/gerona/glu084