Effects of High-Intensity Intermittent Training on Vascular Function in Obese Preadolescent Boys

Childhood Obesity
Napasakorn ChuensiriHirofumi Tanaka

Abstract

High-intensity intermittent training (HIIT) may serve as an effective alternative to traditional endurance training, since HIIT has been shown to induce greater improvements in aerobic fitness and health-related markers in adult populations. Our objective was to determine whether HIIT and supramaximal high-intensity intermittent training (supra-HIIT) would improve vascular structure and function in obese preadolescent boys. Before the baseline testing, 48 obese preadolescent boys, aged 8-12 years, were randomly assigned into control (CON; n = 16), HIIT (8 × 2 minutes at 90% peak power output, n = 16), and supra-HIIT (8 × 20 seconds at 170% peak power output, n = 16) groups. Both exercise groups performed exercises on a cycle ergometer three times/week for 12 weeks. After 12 weeks, both HIIT and supra-HIIT did not affect body mass, body fat percentage, and waist circumference. Peak oxygen consumption (VO2peak) increased in both HIIT and supra-HIIT groups (p < 0.05). Both HIIT and supra-HIIT groups had higher resting metabolic rate than the control group (p < 0.05). A measure of arterial stiffness, brachial-ankle pulse wave velocity, and carotid intima-media thickness decreased after 12 weeks of HIIT and supra-HIIT program (all p...Continue Reading

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Citations

Apr 21, 2019·The Journal of Physiological Sciences : JPS·Izumi Tabata
May 13, 2021·The Journal of Sports Medicine and Physical Fitness·Lin ZhuZheng Tian
Sep 19, 2021·Archives of Disease in Childhood·Nurul Hidayah AmirCraig A Williams
Sep 10, 2021·Pediatrics·Monserrat Solera-MartínezDiana P Pozuelo-Carrascosa

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Methods Mentioned

BETA
ELISA

Software Mentioned

Brachial Analyzer
Carotid Analyzer

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