Temporal specificity in adaptations to high-intensity exercise training

Medicine and Science in Sports and Exercise
D W HillS E Burt

Abstract

The purpose was to test the hypothesis that time to exhaustion and oxygen deficit in high-intensity exercise at a particular time of day would be influenced by training regularly at that time of day. Over a 5-wk period, 12 college-age women performed 20 high-intensity exercise training sessions. On Mondays, they performed four 2-min bouts of cycling at 2.5 W x kg(-1) with 4-min recoveries; on Tuesdays and Thursdays, eight 1-min bouts at 3.0 W x kg(-1) with 2-min recoveries; and on Wednesdays, three 3-min bouts at 2.2 W x kg(-1) with 2-min recoveries. Six participants (a.m.-trained group) were randomly assigned to train in the morning (a.m.) and six others (p.m.-trained group) trained in the afternoon (p.m.). Upon completion of training, all participants were tested in both the a.m. and p.m. (random order) at the same times as training sessions had been scheduled. Tests involved exhaustive efforts at 2.6 W x kg(-1). Results of a repeated measures ANOVA revealed a significant time of day of training x time of day of testing interaction effect on time to exhaustion (F1,10=8.29, P=0.02). This suggested that the time of day of training affected the a.m.-p.m. pattern in time to exhaustion. Time to exhaustion for the a.m.-trained grou...Continue Reading

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Citations

Jun 1, 2007·International Journal of Sports Physiology and Performance·Louise MartinKevin G Thompson
Aug 22, 2009·Journal of Applied Physiology·Xiping ZhangKaryn A Esser
Apr 26, 2012·Journal of Strength and Conditioning Research·Hamdi Chtourou, Nizar Souissi
Jan 31, 2014·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·David W Hill
Dec 8, 2009·Journal of Strength and Conditioning Research·Stephen BloncOlivier Hue
May 7, 2009·European Journal of Applied Physiology·Thomas Reilly, Jim Waterhouse
Nov 4, 2008·Journal of Strength and Conditioning Research·Frederick M BrownCynthia M LaJambe
Aug 9, 2003·Canadian Journal of Applied Physiology = Revue Canadienne De Physiologie Appliquée·Paul B LaursenDavid G Jenkins
Nov 20, 2016·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Maria KüüsmaaKeijo Häkkinen
Aug 25, 2021·Proceedings of the National Academy of Sciences of the United States of America·Yaarit AdamovichGad Asher

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