Hot and Hypoxic Environments Inhibit Simulated Soccer Performance and Exacerbate Performance Decrements When Combined

Frontiers in Physiology
Jeffrey W F AldousL Taylor

Abstract

The effects of heat and/or hypoxia have been well-documented in match-play data. However, large match-to-match variation for key physical performance measures makes environmental inferences difficult to ascertain from soccer match-play. Therefore, the present study aims to investigate the hot (HOT), hypoxic (HYP), and hot-hypoxic (HH) mediated-decrements during a non-motorized treadmill based soccer-specific simulation. Twelve male University soccer players completed three familiarization sessions and four randomized crossover experimental trials of the intermittent Soccer Performance Test (iSPT) in normoxic-temperate (CON: 18°C 50% rH), HOT (30°C; 50% rH), HYP (1000 m; 18°C 50% rH), and HH (1000 m; 30°C; 50% rH). Physical performance and its performance decrements, body temperatures (rectal, skin, and estimated muscle temperature), heart rate (HR), arterial blood oxygen saturation (SaO2), perceived exertion, thermal sensation (TS), body mass changes, blood lactate, and plasma volume were all measured. Performance decrements were similar in HOT and HYP [Total Distance (-4%), High-speed distance (~-8%), and variable run distance (~-12%) covered] and exacerbated in HH [total distance (-9%), high-speed distance (-15%), and variabl...Continue Reading

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Citations

Jul 26, 2018·European Journal of Sport Science·Jeffrey William Frederick AldousLee Taylor
Jan 8, 2019·Journal of Athletic Training·Kirstie Parris, Christopher J Tyler
Jan 19, 2018·European Journal of Applied Physiology·Sanjoy K DebLars R McNaughton
Oct 12, 2018·European Journal of Sport Science·Lee TaylorChristopher J Stevens
Mar 7, 2019·International Journal of Sports Physiology and Performance·Lee TaylorBryna C R Chrismas
Apr 18, 2019·Journal of Cellular Physiology·Antonella MuscellaSanto Marsigliante
Apr 19, 2020·European Journal of Applied Physiology·Nanako HayashiKazushige Goto
Apr 30, 2017·Sports Medicine·Olivier GirardGrégoire P Millet
Feb 28, 2017·Frontiers in Physiology·Alice J SweetingRobert J Aughey
May 2, 2021·Physiological Reports·Antonella MuscellaSanto Marsigliante

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Methods Mentioned

BETA
environmental stress

Software Mentioned

Pacer Performance System
Innervation
Power
HOT
iSPT
SPSS

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