Heating Up to Keep Cool: Benefits and Persistence of a Practical Heat Acclimation Protocol in Elite Female Olympic Team-Sport Athletes

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dc.contributor.authorFenemor, Stephen Paulen_NZ
dc.contributor.authorDriller, Matthew W.en_NZ
dc.contributor.authorGill, Nicholas D.en_NZ
dc.contributor.authorAnderson, Braden_NZ
dc.contributor.authorCasadio, Juliaen_NZ
dc.contributor.authorSims, Staceyen_NZ
dc.contributor.authorBeaven, Christopher Martynen_NZ
dc.coverage.spatialUnited Statesen_NZ
dc.date.accessioned2023-07-03T01:49:27Z
dc.date.available2023-07-03T01:49:27Z
dc.date.issued2023-03-01en_NZ
dc.description.abstractPURPOSE: Although recommendations for effective heat acclimation (HA) strategies for many circumstances exist, best-practice HA protocols specific to elite female team-sport athletes are yet to be established. Therefore, the authors aimed to investigate the effectiveness and retention of a passive HA protocol integrated in a female Olympic rugby sevens team training program. METHODS: Twelve elite female rugby sevens athletes undertook 10 days of passive HA across 2 training weeks. Tympanic temperature (TTymp), sweat loss, heart rate, and repeated 6-second cycling sprint performance were assessed using a sport-specific heat stress test Pre-HA, after 3 days (Mid-HA), after 10 days (Post-HA), and 15 days post-HA (Decay). RESULTS: Compared with Pre-HA, submaximal TTymp was lower Mid-HA and Post-HA (both by -0.2 [0.7] °C; d ≥ 0.71), while resting TTymp was lower Post-HA (by -0.3 [0.2] °C; d = 0.81). There were no differences in TTymp at Decay compared with Pre-HA, nor were there any differences in heart rate or sweat loss at any time points. Mean peak 6-second power output improved Mid-HA and Post-HA (76 [36] W; 75 [34] W, respectively; d ≥ 0.45) compared with Pre-HA. The observed performance improvement persisted at Decay by 65 (45) W (d = 0.41). CONCLUSIONS: Ten days of passive HA can elicit some thermoregulatory and performance benefits when integrated into a training program in elite female team-sport athletes. However, such a protocol does not provide a sufficient thermal impulse for thermoregulatory adaptations to be retained after 15 days with no further heat stimulus.en_NZ
dc.format.mimetypeapplication/pdf
dc.identifier.doi10.1123/ijspp.2022-0071en_NZ
dc.identifier.eissn1555-0273en_NZ
dc.identifier.urihttps://hdl.handle.net/10289/15829
dc.language.isoengen_NZ
dc.relation.isPartOfInt J Sports Physiol Performen_NZ
dc.rightsThis is an author’s accepted version of an article published in the International Journal of Sports Physiology and Performance. © 2023 Human Kinetic.
dc.subjectOlympic sporten_NZ
dc.subjectexerciseen_NZ
dc.subjecthot-water immersionen_NZ
dc.subjectrugby sevensen_NZ
dc.subjectthermoregulationen_NZ
dc.subjectHumansen_NZ
dc.subjectFemaleen_NZ
dc.subjectExerciseen_NZ
dc.subjectHeatingen_NZ
dc.subjectBody Temperature Regulationen_NZ
dc.subjectAcclimatizationen_NZ
dc.subjectAthletesen_NZ
dc.subjectHot Temperatureen_NZ
dc.subjectThermoregulation
dc.titleHeating Up to Keep Cool: Benefits and Persistence of a Practical Heat Acclimation Protocol in Elite Female Olympic Team-Sport Athletesen_NZ
dc.typeJournal Article
dspace.entity.typePublication
pubs.begin-page276
pubs.end-page283
pubs.issue3en_NZ
pubs.publication-statusPublished onlineen_NZ
pubs.volume18en_NZ
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