The nervous system regulates the amount of blood that flows to the Periphery, but muscle activity and the muscles oxygen demands also influence the blood flow. The average decline in core temperature of the commercial diving swimmers for 45 minutes session is 2.2 degrees C during diving in the winter (10 to 15 degree c) water (Strauss, M., Aksenov, J, 2006.) (Barrett et al, 2010.)
The aim of the study was to report B- Endorphins and ACTH change the blood during immersion in cold. Water (10 – 15 degrees). Methods: 10 divers coaches shared in the study, which was approved by the Ethics committee of the University of Suez Canal, an informed consent was obtained from all subjects.
The selected persons were healthy, free of contagious diseases, they were subjected to cold water (10 – 15 degrees). For 45 minutes session, immediately after getting out of water, 5ml blood was withdrawn in special tubes for evaluation B- Endorphins and ACTH in special lab., baseline characteristics of the subjects, were obtained for Age, BMI, weight, height, heart rates, blood Pressure