Resistance training-induced decrease in central arterial compliance is associated with decreased subendocardial viability ratio in healthy young men

Kaname Tagawa, Youngju Choi, Song Gyu Ra, Toru Yoshikawa, Hiroshi Kumagai, Seiji Maeda*

*この研究の対応する著者

研究成果: Article査読

11 被引用数 (Scopus)

抄録

High-intensity resistance training decreases central arterial compliance (CAC). Subendocardial viability ratio (SEVR) is a useful tool that reflects the balance between coronary perfusion and left ventricular afterload. Animal studies have demonstrated that decreased CAC is associated with SEVR deterioration. Therefore, resistance training-induced decrease in CAC may be associated with changes in SEVR. The objective of the present study was to investigate the association between SEVR and CAC using both cross-sectional and longitudinal (i.e., resistance training) study designs. To achieve this, we first conducted a crosssectional study to investigate the association between SEVR and CAC in 89 young men. Thereafter, a longitudinal study was performed to examine the effects of resistance training on SEVR and CAC in young men. A total of 28 young men were divided into 2 groups: control (n = 13) and training (n = 15). In the training group, subjects underwent supervised resistance training for 4 weeks (5 sets of 10 repetitions at 75% of 1-repetition maximum, 3 times/week). CAC and SEVR were then measured in all subjects. In the cross-sectional study, SEVR was significantly positively correlated with CAC, whereas resistance training significantly decreased both SEVR and CAC. Moreover, training-induced changes in CAC were significantly correlated with changes in SEVR. Thus, these results suggest that resistance training-induced decrease in CAC is associated with decreased SEVR in young men.

本文言語English
ページ(範囲)510-516
ページ数7
ジャーナルApplied Physiology, Nutrition and Metabolism
43
5
DOI
出版ステータスPublished - 2018
外部発表はい

ASJC Scopus subject areas

  • 内分泌学、糖尿病および代謝内科学
  • 生理学
  • 栄養および糖尿病
  • 生理学(医学)

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