The effect of three different (-135°C) whole body cryotherapy exposure durations on elite rugby league players
Selfe J, Alexander J, Costello JT, May K, Garratt N, Atkins S, Dillon S, Hurst H, Davison M, Przybyla D, Coley A, Bitcon M, Littler G, Richards J
PloS one · 55 citas
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 independiente
- Universidad u hospital
- University of Central Lancashire
Según 1 financiador declarado y la declaración de financiación del texto completo.
Publicación
- Publicado
- 2014-01-29 · PLoS One · vol. 9 · número 1 · pág. e86420
- Editorial
- Public Library of Science
- Citado
- 5 citas · más que el 69% de estudios similares · 0.6× el promedio de su campo
- Referencias
- 33 trabajos
- Acceso
- Acceso abierto (revista) · CC-BY
- Áreas de investigación
- Exercise and Physiological Responses · Thermoregulation and physiological responses · Infrared Thermography in Medicine
- Palabras clave
- Medicine, Cryotherapy, Skin temperature, Core temperature, Thermal sensation, Oxygenation, Surgery, Anesthesia, Thermal comfort, Biomedical engineering
- MeSH
- muscle, skeletal, humans, oxyhemoglobins, interleukin-6, cryotherapy, cross-over studies, skin temperature, football, male, cold temperature, young adult, thermosensing
14 autores
- James Selfe🇬🇧University of Lancashire
- Jill Alexander🇬🇧 · autor de correspondenciaUniversity of Lancashire
- Joseph T. Costello🇦🇺Queensland University of Technology
- Karen May🇬🇧University of Lancashire
- Nigel Garratt🇬🇧University of Lancashire
- Stephen J. Atkins🇬🇧University of Lancashire
- Stephanie A. Dillon🇬🇧University of Lancashire
- Howard Thomas Hurst🇬🇧University of Lancashire
- Matthew Davison🇬🇧University of Lancashire
- Daria Przybyla🇬🇧University of Lancashire
- Andrew Coley🇬🇧Wrightington, Wigan and Leigh NHS Foundation Trust
- Mark Bitcon🇬🇧Wrightington, Wigan and Leigh NHS Foundation Trust
- Greg Littler🇬🇧University of Lancashire
- Jim Richards🇬🇧University of Lancashire
Resumen
El texto original del estudio, en el idioma en que se publicó.
Background
Whole body cryotherapy (WBC) is the therapeutic application of extreme cold air for a short duration. Minimal evidence is available for determining optimal exposure time.
Purpose
To explore whether the length of WBC exposure induces differential changes in inflammatory markers, tissue oxygenation, skin and core temperature, thermal sensation and comfort.
Method
This study was a randomised cross over design with participants acting as their own control. Fourteen male professional first team super league rugby players were exposed to 1, 2, and 3 minutes of WBC at -135°C. Testing took place the day after a competitive league fixture, each exposure separated by seven days.
Results
No significant changes were found in the inflammatory cytokine interleukin six. Significant reductions (p<0.05) in deoxyhaemoglobin for gastrocnemius and vastus lateralis were found. In vastus lateralis significant reductions (p<0.05) in oxyhaemoglobin and tissue oxygenation index (p<0.05) were demonstrated. Significant reductions (p<0.05) in skin temperature were recorded. No significant changes were recorded in core temperature. Significant reductions (p<0.05) in thermal sensation and comfort were recorded.
Conclusion
Three brief exposures to WBC separated by 1 week are not sufficient to induce physiological changes in IL-6 or core temperature. There are however significant changes in tissue oxyhaemoglobin, deoxyhaemoglobin, tissue oxygenation index, skin temperature and thermal sensation. We conclude that a 2 minute WBC exposure was the optimum exposure length at temperatures of -135°C and could be applied as the basis for future studies.
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