Post‐exercise hot or cold water immersion does not alter perception of effort or neuroendocrine responses during subsequent moderate‐intensity exercise

Autor: Campbell Menzies, Neil D. Clarke, Christopher J. A. Pugh, Charles J. Steward, C. Douglas Thake, Tom Cullen
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Experimental Physiology, Vol 109, Iss 9, Pp 1505-1516 (2024)
Druh dokumentu: article
ISSN: 1469-445X
0958-0670
DOI: 10.1113/EP091932
Popis: Abstract Post‐exercise hot (HWI) and cold (CWI) water immersion are popular strategies used by athletes in a range of sporting contexts, such as enhancing recovery or adaptation. However, prolonged heating bouts increase neuroendocrine responses that are associated with perceptions of fatigue. Fourteen endurance‐trained runners performed three trials consisting of two 45‐min runs at 95% lactate threshold on a treadmill separated by 6 h of recovery. Following the first run, participants completed one of HWI (30 min, 40°C), CWI (15 min, 14°C) or control (CON, 30 min rest in ambient conditions) in a randomised order. Perceived effort and recovery were measured using ratings of perceived exertion (RPE) and the Acute Recovery and Stress Scale (ARSS), whilst physiological responses including venous concentrations of a range of neuroendocrine markers, superficial femoral blood flow, heart rate and rectal temperature were measured. Exercise increased neuroendocrine responses of interleukin‐6, adrenaline and noradrenaline (all P 0.05), nor RPE (P = 0.68), despite differences in rectal temperature, superficial femoral blood flow following the first run, and participants’ expected recovery prior to the intervention (all P
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