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AuthorHenderson, Mitchell J.
AuthorChrismas, Bryna C.R.
AuthorStevens, Christopher J.
AuthorNovak, Andrew
AuthorFransen, Job
AuthorCoutts, Aaron J.
AuthorTaylor, Lee
Available date2024-05-29T11:12:44Z
Publication Date2021-05-26
Publication NameInternational Journal of Sports Physiology and Performance
Identifierhttp://dx.doi.org/10.1123/IJSPP.2020-0620
CitationHenderson, M. J., Chrismas, B. C., Stevens, C. J., Novak, A., Fransen, J., Coutts, A. J., & Taylor, L. (2021). Additional clothing increases heat load in elite female rugby sevens players. International journal of sports physiology and performance, 16(10), 1424-1431.
ISSN1555-0265
URIhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85115686084&origin=inward
URIhttp://hdl.handle.net/10576/55647
AbstractPurpose: To determine whether elite female rugby sevens players are exposed to core temperatures (Tc) during training in the heat that replicate the temperate match demands previously reported and to investigate whether additional clothing worn during a hot training session meaningfully increases the heat load experienced. Methods: A randomized parallel-group study design was employed, with all players completing the same approximately 70-minute training session (27.5°C–34.8°C wet bulb globe temperature) and wearing a standardized training ensemble (synthetic rugby shorts and training tee [control (CON); n = 8]) or additional clothing (standardized training ensemble plus compression garments and full tracksuit [additional clothing (AC); n = 6]). Groupwise differences in Tc, sweat rate, GPS-measured external locomotive output, rating of perceived exertion, and perceptual thermal load were compared. Results: Mean (P = .006, η2p = .88) and peak (P < .001, η2p = .97) Tc were higher in AC compared with CON during the training session. There were no differences in external load (F4,9 = 0.155, P = .956, Wilks Λ = 0.935, η2p = .06) or sweat rate (P = .054, Cohen d = 1.09). A higher rating of perceived exertion (P = .016, Cohen d = 1.49) was observed in AC compared with CON. No exertional-heat-illness symptomology was reported in either group. Conclusions: Player Tc is similar between training performed in hot environments and match play in temperate conditions when involved for >6 minutes. Additional clothing is a viable and effective method to increase heat strain in female rugby sevens players without compromising training specificity or external locomotive capacity.
SponsorThis work is funded by: - Aspire Zone Foundation (Doha, Qatar). - The Australian Government’s Research Training Program scholarship (Australia). - Rugby Australia (Australia).
Languageen
PublisherHuman Kinetics Publishers Inc.
SubjectAcclimation
Core temperature
Hyperthermia
Intermittent sport
Team sport
TitleAdditional clothing increases heat load in elite female Rugby sevens players
TypeArticle
Pagination1424-1431
Issue Number10
Volume Number16
ESSN1555-0273
dc.accessType Abstract Only


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