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The effect of a 4-week, remotely administered, post-exercise passive leg heating intervention on determinants of endurance performance
,
Gill Conway ,
Neil Bezodis ,
Liam Kilduff ,
Brad Clark,
Julien D. Périard,
Mark Waldron
European Journal of Applied Physiology
Swansea University Authors:
Joe Page, Shane Heffernan , Gill Conway , Neil Bezodis , Liam Kilduff , Mark Waldron
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DOI (Published version): 10.1007/s00421-024-05558-4
Abstract
PurposePost-exercise passive heating has been reported to augment adaptations associated with endurance training. The current study evaluated the effect of a 4-week remotely administered, post-exercise passive leg heating protocol, using an electrically heated layering ensemble, on determinants of e...
| Published in: | European Journal of Applied Physiology |
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| ISSN: | 1439-6319 1439-6327 |
| Published: |
Springer Science and Business Media LLC
2024
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa67172 |
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| Abstract: |
PurposePost-exercise passive heating has been reported to augment adaptations associated with endurance training. The current study evaluated the effect of a 4-week remotely administered, post-exercise passive leg heating protocol, using an electrically heated layering ensemble, on determinants of endurance performance.MethodsThirty recreationally trained participants were randomly allocated to either a post-exercise passive leg heating (PAH, n = 16) or unsupervised training only control group (CON, n = 14). The PAH group wore the passive heating ensemble for 90–120 min/day, completing a total of 20 (16 post-exercise and 4 stand-alone leg heating) sessions across 4 weeks. Whole-body (peak oxygen uptake, gas exchange threshold, gross efficiency and pulmonary oxygen uptake kinetics), single-leg exercise (critical torque and NIRS-derived muscle oxygenation), resting vascular characteristics (flow-mediated dilation) and angiogenic blood measures (nitrate, vascular endothelial growth factor and hypoxia inducible factor 1−α) were recorded to characterize the endurance phenotype. All measures were assessed before (PRE), at 2 weeks (MID) and after (POST) the intervention.ResultsThere was no effect of the intervention on test of whole-body endurance capacity, vascular function or blood markers (p > 0.05). However, oxygen kinetics were adversely affected by PAH, denoted by a slowing of the phase II time constant; τ (p = 0.02). Furthermore, critical torque–deoxygenation ratio was improved in CON relative to PAH (p = 0.03).ConclusionWe have demonstrated that PAH had no ergogenic benefit but instead elicited some unfavourable effects on sub-maximal exercise characteristics in recreationally trained individuals. |
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| Keywords: |
Post-exercise; Passive leg heating; Temperate; Endurance performance |
| College: |
Faculty of Science and Engineering |
| Funders: |
Swansea University |