Effect of daily cold water immersion on heart rate variability and subjective ratings of well-being in highly trained swimmers.

Purpose: We investigated the effect of daily cold water immersion (CWI), during a typical training week, on parasympathetic activity and subjective ratings of well-being.

Methods: Over two different weeks, eight highly trained swimmers (4 men; 19.6 ± 3.

Effect of cold water immersion on 100-m sprint performance in well-trained swimmers.

The aim of the present study was to examine the effect of cold water immersion (CWI) on sprint swimming performance in simulated competition conditions. Ten well-trained swimmers (5 males, 5 females; 19.0 +/- 3.