Metabolic Profile and Performance Responses During Two Consecutive Sessions of Sprint Interval Training.

Journal of Strength and Conditioning Research
Elvis S MaltaAlessandro M Zagatto

Abstract

Malta, ES, Brisola, GMP, de Poli, RAB, Dutra, YM, Franchini, E, and Zagatto, AM. Metabolic profile and performance responses during two consecutive sessions of sprint interval training. J Strength Cond Res 34(4): 1078-1085, 2020-The study aimed to (a) typify the cardiorespiratory, metabolic, and performance responses during a single sprint interval training (SIT) session, (b) investigate the interference of 2 subsequent sessions on cardiorespiratory, metabolic, and performance responses, and (c) verify the relationships of SIT total work performed with aerobic fitness indices. Thirty-six untrained men performed 2 SIT sessions (SIT1 and SIT2) separated by 24 hours of recovery. Each session was composed of 4 Wingate bouts interspersed by 4 minutes. Within SIT sessions, bout work, peak power, and mean power of each Wingate bout decreased significantly, while the fatigue index increased over time (p < 0.001). The SIT elicited lower acute responses of oxygen uptake and heart rate than maximal values (≈67 and ≈79%, respectively) (p < 0.05) as well as a short time spent at high cardiorespiratory demand. For SIT outcomes, no interactions were verified between Wingate bout performance, average heart rate, and average oxygen uptake. In a...Continue Reading

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Citations

Feb 12, 2020·International Journal of Environmental Research and Public Health·Natalia DanekMarek Zatoń
Jul 22, 2020·International Journal of Sports Medicine·Camila S PadilhaFabio S Lira
Aug 18, 2021·Journal of Human Kinetics·Rodrigo Araujo Bonetti de PoliAlessandro Moura Zagatto

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