Core body temperature responses during competitive sporting events: A narrative review

Publisher:
Termedia Sp. z.o.o.
Publication Type:
Journal Article
Citation:
Biology of Sport, 2023, 40, (4), pp. 1003-1017
Issue Date:
2023
Full metadata record
Due to the lack of research in real world sports competitions the International Olympic Committee in 2012 called for data characterising athletes sport and event specific thermal profiles Studies clearly demonstrate that elite athletes often attain a core body temperature Tc 40 C without heat related medical issues during competition However practitioners researchers and ethical review boards continue to cite a Tc 40 C and lower as a threshold where athlete health is impacted an assumption from laboratory studies Therefore this narrative review aims to i summarise and review published data on Tc responses during competitive sport and identify key considerations for practitioners ii establish the incidence of athletes experiencing a Tc 40 C in competitive sport alongside the incidence of heat illness heat stroke EHI EHS symptoms and iii discuss the evolution of Tc measurement during competition The Tc response is primarily based on the physical demands of the sport environmental conditions competitive level and athlete disability In the reviewed research 11 9 of athletes presented a Tc 40 C with only 2 8 of these experiencing EHI EHS symptoms whilst a high Tc 40 C n 172 Tc range 40 41 5 C occurred across a range of sports and environmental conditions including some temperate environments Endurance athletes experienced a Tc 40 C more than intermittent athletes but EHI EHS was similar This review demonstrates that a Tc 40 C is not a consistently meaningful risk factor of EHI EHS symptomology in this sample therefore Tc monitoring alongside secondary measures i e general cognitive disturbance and gait disruption should be incorporated to reduce heat related injuries during competition
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