Running performance in the heat is improved by similar magnitude with pre-exercise cold-water immersion and mid-exercise facial water spray
Stevens CJ, Kittel A, Sculley DV, Callister R, Taylor L, Dascombe BJ
Journal of sports sciences · 37 citas
Etiquetas de revisión
Financiación no declaradaDatos neutrales que nuestra revisión registró sobre cómo se hizo este estudio. Describen el método, nunca si nos gusta el resultado.
Cómo se estudió
- Diseño
- Ensayo controlado aleatorizado (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2016-06-08 · J Sports Sci · vol. 35 · número 8 · págs. 798–805
- Editorial
- Taylor & Francis
- Citado
- 60 citas · más que el 92% de estudios similares · 3.4× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 42 trabajos
- Acceso
- Acceso abierto (copia en repositorio) · CC-BY
- Áreas de investigación
- Thermoregulation and physiological responses · Exercise and Physiological Responses · Sports Performance and Training
- Palabras clave
- Heart rate, Medicine, Treadmill, Core temperature, Thermoregulation, Time trial, Blood lactate, Cardiorespiratory fitness, Hyperthermia, Immersion (mathematics), Physical therapy, Animal science, Anesthesia, Internal medicine, Blood pressure, Biology, Mathematics
- MeSH
- face, muscle, skeletal, humans, water, cross-over studies, immersion, perception, body temperature regulation, running, adult, male, athletic performance, cold temperature, hot temperature
6 autores
- Christopher John Stevens🇦🇺 · autor de correspondenciaHunter Water; Southern Cross University
- Aden B. Kittel🇦🇺Hunter Water
- Dean Sculley🇦🇺University of Newcastle Australia
- Robin Callister🇦🇺University of Newcastle Australia
- Lee K. Taylor🇶🇦Qatar Orthopaedic and Sports Medicine Hospital
- Ben J. Dascombe🇦🇺La Trobe University; Hunter Water
Resumen
El texto original del estudio, en el idioma en que se publicó.
This investigation compared the effects of external pre-cooling and mid-exercise cooling methods on running time trial performance and associated physiological responses. Nine trained male runners completed familiarisation and three randomised 5 km running time trials on a non-motorised treadmill in the heat (33°C). The trials included pre-cooling by cold-water immersion (CWI), mid-exercise cooling by intermittent facial water spray (SPRAY), and a control of no cooling (CON). Temperature, cardiorespiratory, muscular activation, and perceptual responses were measured as well as blood concentrations of lactate and prolactin. Performance time was significantly faster with CWI (24.5 ± 2.8 min; P = 0.01) and SPRAY (24.6 ± 3.3 min; P = 0.01) compared to CON (25.2 ± 3.2 min). Both cooling strategies significantly (P < 0.05) reduced forehead temperatures and thermal sensation, and increased muscle activation. Only pre-cooling significantly lowered rectal temperature both pre-exercise (by 0.5 ± 0.3°C; P < 0.01) and throughout exercise, and reduced sweat rate (P < 0.05). Both cooling strategies improved performance by a similar magnitude, and are ergogenic for athletes. The observed physiological changes suggest some involvement of central and psychophysiological mechanisms of performance improvement.
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