Thermoregulation of football players after cryotherapy in thermography

Abstract

The aim of the study was to assess the impact of cryotherapy on changes of surface body temperate and efficiency of thermoregulatory processes in relation to the intensity of cryogenic stimuli. The study included 30 football players and 30 students. Intervention: both groups were divided into three subgroups treated with cryostimulation at -100, -120 and -140°C. Body surface temperature was measured at baseline (before cryostimulation), 5 and 30 min after the treatment. Regions of trunk, lower limbs and upper limbs were examined. The difference of baseline raw curves and raw curves performed directly and 30 min after cryotherapy at the three levels of temperature in both studied groups. Baseline surface body temperature was lower in athletes than in student. Decrease in surface temperature observed after cryotherapy was significant and greater in football players than in students. The drop in surface temperature in athletes by 4.87°in the regions of upper limbs, trunk by 5.9°C and lower limbs by 7.81°C was reported. After 30-min restitution, the surface temperature restored to baseline in all subjects in all examined regions with greater dynamics in athletes. The study results indicate better effectiveness of thermoregulatory processes in football players. In this group, the greatest changes in temperature occurred after cryostimulation at temperature -120°C.Further research is required to assess recommended values of thermal stimuli.

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