Recovery of upper-body muscle power after short intensive exercise: comparing boys and men.

European Journal of Applied Physiology
Y WeinsteinGal Dubnov-Raz

Abstract

Boys' lower-body muscle power generation (PO) recovers faster than men's following intensive exercise. The purpose of this study was to examine whether boys differ from adult men in recovering from upper-body muscle power generation following intensive exercise. Fifteen prepubertal boys (M ± SD age 10.6 ± 1.0 years) and 13 men (31.1 ± 5.0 years) performed two upper-body Wingate Anaerobic Tests (WAnT), separated by either 2-min or 10-min recovery intervals. WAnT parameters, pre-and post-WAnT heart rates (HR), and blood lactate ([La]) were measured during recovery from the WAnTs. Boys' mean power (MP) of the repeated WAnT (WAnT2) following 2- and 10-min recoveries was 97.3 ± 7.2% and 99.4 ± 3.9%, respectively, compared to MP of the first test (WAnT1) (p > 0.05 for both tests). In contrast, in men's MP of the WAnT2 following the 2-min recovery, was significantly lower than that of the WAnT1 (84.4 ± 6.7%, p = 0.0001). While boys' and men's HR recovery after 2 min differed significantly (p = 0.046), no between-group differences were found following the 10-min recovery. Peak [La] in boys was 37-44% lower than that in men (p = 0.002). The faster recovery of PO in boys after supra-maximal upper-body exercise is partially explained by t...Continue Reading

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Citations

Jan 21, 2020·The Journal of Sports Medicine and Physical Fitness·Peter A HosickEvan L Matthews
Nov 28, 2019·Journal of Functional Morphology and Kinesiology·Benjamin DruryDavid G Behm

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