Post-exercise, passive heat acclimation with sauna or hot-water immersion provide comparable adaptations to performance in the heat in a military context
Ashworth E, Cotter J, Kilding A
Ergonomics · 8 citas
Cómo se estudió
- Diseño
- Ensayo controlado aleatorizado (clasificado por nuestro filtro de IA)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación independiente
- Universidad u hospital
- Auckland University of Technology, New Zealand
- Universidad u hospital
- Auckland University of Technology
Según 2 financiadores declarados.
Publicación
- Publicado
- 2022-03-25 · Ergonomics · vol. 66 · número 1 · págs. 49–60
- Editorial
- Taylor & Francis
- Citado
- 10 citas · más que el 74% de estudios similares · 1.0× el promedio de su campo
- Referencias
- 41 trabajos
- Acceso
- De pago
- Áreas de investigación
- Thermoregulation and physiological responses · Exercise and Physiological Responses · Occupational Health and Performance
- Palabras clave
- Heat stress, Heat illness, Acclimatization, Immersion (mathematics), Core temperature, Heart rate, Medicine, Context (archaeology), Relative humidity, Environmental science, Physical therapy, Animal science, Meteorology, Anesthesia, Mathematics, Physics, Internal medicine, Blood pressure, Biology, Ecology
- MeSH
- humans, water, steam bath, cross-over studies, immersion, acclimatization, heart rate, military personnel, hot temperature
3 autores
- Edward Tom Ashworth🇳🇿 · autor de correspondenciaAuckland University of Technology
- James David Cotter🇳🇿University of Otago
- Andrew Edward Kilding🇳🇿Auckland University of Technology
Resumen
El texto original del estudio, en el idioma en que se publicó.
To mitigate the effects of heat during operations in hot environments, military personnel will likely benefit from heat acclimation (HA) conducted prior to deployment. Using post-exercise, passive heating, 25 participants completed a 5 d HA regime in sauna (70 °C, 18% RH) or hot-water immersion (HWI) (40 °C) for ≤40 min, preceded and followed by a heat stress test (1-h walking at 5 km.h-1 in 33 °C, 77% RH in military uniform (20 kg) before an incremental ramp to exhaustion). Fifteen completed both regimes in a randomised, cross-over manner. While performance did not significantly improve (+14%, [-1, 29], p = .079), beneficial adaptations were observed for mean exercising core temperature (-0.2 °C, [-0.2, -0.2], p -0.2 °C, [-0.2, -0.2], p = 035) and heart rate (-8 bpm, [-6, -10], pPractitioner summary: Strategies are required to prevent health and performance impairments during military operations upon arrival in hot environments. Using a randomised, cross-over design, participants completed five-day passive, post-exercise heat acclimation using sauna or hot-water immersion. Both regimes elicited beneficial albeit modest heat adaptations.Abbreviations: HA: heat acclimation; HST: heat stress test; HWI: hot-water immersion; RH: relative humidity.
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