Intermittent post-exercise sauna bathing improves markers of exercise capacity in hot and temperate conditions in trained middle-distance runners
Kirby NV, Lucas SJE, Armstrong OJ, Weaver SR, Lucas RAI
European journal of applied physiology · 22 citas
Cómo se estudió
- Diseño
- Ensayo clínico controlado (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
- University of Birmingham
Según 1 financiador declarado y la declaración de financiación del texto completo.
Publicación
- Publicado
- 2020-11-19 · Eur J Appl Physiol · vol. 121 · número 2 · págs. 621–635
- Editorial
- Springer Science+Business Media
- Citado
- 29 citas · más que el 84% de estudios similares · 1.6× el promedio de su campo
- Referencias
- 55 trabajos
- Acceso
- Acceso abierto (revista híbrida) · CC-BY
- Áreas de investigación
- Thermoregulation and physiological responses · Textile materials and evaluations · Muscle metabolism and nutrition
- Palabras clave
- Medicine, Analysis of variance, Animal science, Physical therapy, Exercise physiology, Internal medicine, Biology
- MeSH
- humans, exercise test, exercise, baths, steam bath, acclimatization, body temperature regulation, skin temperature, heart rate, physical endurance, exercise tolerance, running, adult, female, male, athletic performance, hot temperature, young adult, thermotolerance
5 autores
- Nathalie V. Kirby🇬🇧 · autor de correspondenciaUniversity of Birmingham
- Samuel J. E. Lucas🇬🇧University of Birmingham
- Oliver J. Armstrong🇬🇧Birmingham City University; University of Birmingham
- Samuel R. Weaver🇬🇧University of Birmingham
- Rebekah A. I. Lucas🇬🇧University of Birmingham
Resumen
El texto original del estudio, en el idioma en que se publicó.
Purpose
This study investigated whether intermittent post-exercise sauna bathing across three-weeks endurance training improves exercise heat tolerance and exercise performance markers in temperate conditions, compared to endurance training alone. The subsidiary aim was to determine whether exercise-heat tolerance would further improve following 7-Weeks post-exercise sauna bathing.
Methods
Twenty middle-distance runners (13 female; mean ± SD, age 20 ± 2 years, [Formula: see text]O2max 56.1 ± 8.7 ml kg-1 min-1) performed a running heat tolerance test (30-min, 9 km h-1/2% gradient, 40 °C/40%RH; HTT) and temperate (18 °C) exercise tests (maximal aerobic capacity [[Formula: see text]O2max], speed at 4 mmol L-1 blood lactate concentration ([La-]) before (Pre) and following three-weeks (3-Weeks) normal training (CON; n = 8) or normal training with 28 ± 2 min post-exercise sauna bathing (101-108 °C, 5-10%RH) 3 ± 1 times per week (SAUNA; n = 12). Changes from Pre to 3-Weeks were compared between-groups using an analysis of co-variance. Six SAUNA participants continued the intervention for 7 weeks, completing an additional HTT (7-Weeks; data compared using a one-way repeated-measures analysis of variance).
Results
During the HTT, SAUNA reduced peak rectal temperature (Trec; - 0.2 °C), skin temperature (- 0.8 °C), and heart rate (- 11 beats min-1) more than CON at 3-Weeks compared to Pre (all p 2max (+ 0.27 L-1 min-1; p = 0.02) and speed at 4 mmol L-1 [La-] (+ 0.6 km h-1; p = 0.01) more than CON at 3-Weeks compared to Pre. Only peak Trec (- 0.1 °C; p = 0.03 decreased further from 3-Weeks to 7-Weeks in SAUNA (other physiological variables p > 0.05).
Conclusions
Three-weeks post-exercise sauna bathing is an effective and pragmatic method of heat acclimation, and an effective ergogenic aid. Extending the intervention to seven weeks only marginally improved Trec.
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