Effect of daily cold water immersion on heart rate variability and subjective ratings of well-being in highly trained swimmers
Al Haddad H, Parouty J, Buchheit M
International journal of sports physiology and performance · 39 citas
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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
- 2012-03-01 · Int J Sports Physiol Perform · vol. 7 · número 1 · págs. 33–38
- Editorial
- Human Kinetics
- Citado
- 51 citas · más que el 90% de estudios similares · 2.4× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 34 trabajos
- Acceso
- De pago
- Áreas de investigación
- Heart Rate Variability and Autonomic Control · Cardiovascular and exercise physiology · Sports Performance and Training
- Palabras clave
- Supine position, Morning, Medicine, Heart rate variability, Heart rate, Animal science, Physical therapy, Anesthesia, Internal medicine, Blood pressure, Biology
- MeSH
- parasympathetic nervous system, humans, hydrotherapy, cross-over studies, immersion, sleep, heart rate, swimming, physical fitness, cold temperature
3 autores
- Hani Al Haddad🇫🇷Université de Picardie Jules Verne
- Jonathan Parouty
- Martin Buchheit
Resumen
El texto original del estudio, en el idioma en que se publicó.
Purpose
We investigated the effect of daily cold water immersion (CWI), during a typical training week, on parasympathetic activity and subjective ratings of well-being.
Methods
Over two different weeks, eight highly trained swimmers (4 men; 19.6 ± 3.2 y) performed their usual training load (5 d/wk, approx. 21 h/wk). Last training session of each training day was immediately followed by 5 min of seated recovery, in randomized order, with CWI (15°C) or without (CON). Each morning before the first training session (6:30 AM) during the two experimental weeks, subjective ratings of well-being (eg, quality of sleep) were assessed and the R-R intervals were recorded for 5 min in supine position. A vagal-related index (ie, natural logarithm of the square root of the mean of the sum of the squares of differences between adjacent normal R-R intervals; Ln rMSSD) was calculated from the last 3-min segment.
Results
Compared with CON, CWI effect on Ln rMSSD was rated as possibly beneficial on day 2 [7.0% (-3; 19)], likely beneficial on day 3 [20.0% (1.5; 43.5)], very likely beneficial on day 4 [30.4% (12.2; 51.6)] and likely beneficial on day 5 [24.1% (-0.4; 54.8)]. Cold water immersion was associated with a likely greater quality of sleep on day 2 [30.0% (2.7; 64.6)], very likely on day 3 [31.0% (5.0; 63.1)] and likely on day 4 [38.6% (11.4; 72.4)] when compared with CON.
Conclusion
Five minutes of CWI following training can reduce the usual exercise-induced decrease in parasympathetic activity and is associated with improved rating of perceived sleep quality.
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