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Resistance training-induced decrease in central arterial compliance is associated with decreased subendocardial

Kaname Tagawa1, Youngju Choi2, Song-Gyu Ra3

  • 1a Division of Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Japan.

Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquee, Nutrition Et Metabolisme
|December 19, 2017
PubMed
Summary

High-intensity resistance training lowers central arterial compliance (CAC) and subendocardial viability ratio (SEVR) in young men. Decreased CAC after training was linked to reduced SEVR, suggesting a connection between arterial health and heart function.

Keywords:
arterial distensibilityartère carotidecapacité de dilatation artériellecarotid arterycross-sectional studyhemodynamicshémodynamiquelongitudinal studyétude longitudinaleétude transversale

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Area of Science:

  • Cardiovascular Physiology
  • Exercise Science
  • Biomedical Engineering

Background:

  • High-intensity resistance training is known to decrease central arterial compliance (CAC).
  • Subendocardial viability ratio (SEVR) assesses the balance between coronary blood flow and the heart's workload.
  • Animal studies suggest a link between reduced CAC and impaired SEVR.

Purpose of the Study:

  • To investigate the association between SEVR and CAC.
  • To examine the effects of resistance training on SEVR and CAC in young men.

Main Methods:

  • A cross-sectional study of 89 young men assessed the correlation between SEVR and CAC.
  • A longitudinal study involved 28 young men, with a training group (n=15) undergoing 4 weeks of resistance training.
  • CAC and SEVR were measured before and after the intervention.

Main Results:

  • In the cross-sectional analysis, SEVR was positively correlated with CAC.
  • Resistance training significantly decreased both SEVR and CAC.
  • Changes in CAC due to training were significantly correlated with changes in SEVR.

Conclusions:

  • Resistance training-induced reduction in CAC is associated with a decrease in SEVR in young men.
  • These findings highlight a potential link between arterial stiffening and cardiac perfusion changes following intense exercise.