Journal article
Repeated Warm Water Immersion Induces Similar Cerebrovascular Adaptations to 8 Weeks of Moderate-Intensity Exercise Training in Females
International Journal of Sports Medicine, Vol.37(10), pp.757-765
2016
Abstract
Exercise training has the potential to enhance cerebrovascular function. Warm water immersion has recently been shown to enhance vascular function including the cerebrovascular response to heating. We suggest that passive heating can be used alternatively to exercise. Our aim was to compare the effects of exercise with warm-water immersion training on cerebrovascular and thermoregulatory function. 18 females (25±5 y) performed 8 weeks of cycling (70% HRmax) or warm water immersion (42°C) for 30 min 3 times per week. Brachial artery flow-mediated dilation (FMD) and peak cardiorespiratory fitness (VO2peak) were measured prior to and following both interventions. A passive heat stress was employed to obtain temperature thresholds (Tb) and sensitivities for sweat rate (SR) and cutaneous vasodilation (CVC). Middle cerebral artery velocity (MCAv) was measured throughout. FMD and VO2peak improved following both interventions (p<0.05). MCAv and cerebrovascular conductance were higher at rest and during passive heating (p<0.001 and <0.001, respectively) following both interventions. SR occurred at a lower Tb following both interventions and SR sensitivity also increased, with a larger increase at the chest (p<0.001) following water immersion. CVC occurred at a lower Tb (p<0.001) following both interventions. Warm water immersion elicits similar cerebrovascular, conduit, and thermoregulatory adaptations compared to a period of moderate-intensity exercise training.
Details
- Title
- Repeated Warm Water Immersion Induces Similar Cerebrovascular Adaptations to 8 Weeks of Moderate-Intensity Exercise Training in Females
- Authors
- Tom G Bailey (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and EngineeringN Timothy Cable (Author) - Liverpool John Moores University, United KingdomG D Miller (Author) - Liverpool John Moores University, United KingdomV S Sprung (Author) - University of Liverpool, United KingdomD A Low (Author) - Liverpool John Moores University, United KingdomH Jones (Author) - Liverpool John Moores University, United Kingdom
- Publication details
- International Journal of Sports Medicine, Vol.37(10), pp.757-765
- Publisher
- Georg Thieme Verlag
- Date published
- 2016
- DOI
- 10.1055/s-0042-106899
- ISSN
- 0172-4622
- Copyright note
- Copyright © 2016 The Authors. The author's accepted version is reproduced here in accordance with the publishers copyright policy. The final definitive version is available at: http://dx.doi.org/10.1055/s-0042-106899
- Organisation Unit
- UniSC Clinical Trials Centre; University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy
- Language
- English
- Record Identifier
- 99451202002621
- Output Type
- Journal article
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