Mean skin temperature (<i>n</i> = 30) of all tested devices during rest (4 devices), exercise (3 devices) and recovery (4 devices).

<p>Post-hoc analysis displayed as *Significant differences between iButtons and thermistors (<i>p</i> < 0.001); ^#Significant differences between infrared thermometer and thermistors (<i>p</i> < 0.001); ^†Significant differences between infrared camera and thermistors (<i>p</i> < 0.001). Results are presented as the mean ± SD.