查看文章

This study examined the effect of a 5-min cold water immersion (CWI; 14°C) recovery intervention on repeated cycling performance in the heat. Ten male cyclists performed two bouts of a 25-min constant paced (254±22W) cycling session (CP) followed by a 4-km time trial (TT) in hot conditions (35°C, 40% relative humidity). The two bouts were separated by either 15-min of seated recovery in the heat (CON), or the same condition with 5-min CWI (5th-10th min), in a counterbalanced cross-over design (CP1TT1 → CWI or CON → CP2TT2). Rectal temperature (T^re) was measured immediately before and after both the CP sessions and 4 km TTs. Cycling economy and VO₂ were measured during the CP sessions and the average power output (PO) and completion times (CT) were recorded for each TT. Compared with CON, T^re was significantly lower (0.5±0.4°C) in CWI before CP2 until the end of TT2. However, the …