To explore the influence of body composition on thermal responses to cold water immersion (CWI) and the recovery of exercise performance.
Male subjects were stratified into two groups; low fat (LF; n=10); or high fat (HF; n=10). Subjects completed a high intensity interval test (HIIT) on a cycle ergometer followed by 15 min recovery intervention (control (CON) or CWI). Core temperature (Tc), skin temperature (Tsk) and heart rate were recorded continuously. Performance was assessed at baseline, immediately post-HIIT and 40 min post-recovery using a 4 min cycling time trial (TT), countermovement jump (CMJ), and isometric mid-thigh pull (IMTP) tests. Perceptual measures (thermal sensation (TS), total quality of recovery (TQR), soreness and fatigue) were also assessed.
Tc and TS were significantly lower in LF compared to HF from 10 min (Tc: LF 36.5±0.5, HF 37.2±0.6°C; TS: LF 2.3±0.5, HF 3.0±0.7 arbitrary units (a.u.)) to 40 min (Tc: LF 36.1±0.6, HF 36.8±0.7°C; TS: LF 2.3±0.6, HF 3.2±0.7 a.u.) following CWI (P<0.05). Recovery of TT performance was significantly enhanced following CWI in HF (10.3±6.1%) compared to LF (3.1±5.6%, P=0.01) however, no differences were observed between HF (6.9±5.7%) and LF (5.4±5.2%) with CON. No significant differences were observed between groups for CMJ, IMTP, TQR, soreness or fatigue in both conditions.
Body composition influences the magnitude of Tc change during and following CWI. Additionally, CWI enhanced performance recovery in the HF group only. Therefore, body composition should be considered when planning CWI protocols to avoid overcooling and maximise performance recovery.
This research output has an Altmetric Attention Score of 28. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 01 December 2020.
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