Contrast baths produce hyperemia in feet, ankles, hands, and wrists of individuals who have a chronic inflammatory condition.
The athlete is submerged for 10 minutes in water that is between 40.6℃ and 43.3℃. After the initial soak, the athlete is submerged for 1 minute in water that is between 15℃ and 20℃ and then is shifted to the hot water for 4 minutes, alternating temperatures for a peroid of 30 minutes.
From Arnheim, D. D. (1995). Essentials of athletic training (3th ed., pp. 228). St. Louis: Mosby-Year Inc.