Several sources suggest that cold baths (60вЂ“75 degrees Fahrenheit, 15.5-22.8вЊ) were preferable to ice baths. There were no sources advocating being immersed for longer than twenty minutes. Another suggested that immersion run from five to ten minutes, and sometimes to twenty minutes. One account suggested immersion times should be between ten and twenty minutes. One adviser suggested that an athlete should take ten two-minute ice bath treatments over a two-week period. ДЄccounts vary about how long to be immersed and how often to do them. One report suggested that 'ten minutes immersed in 15 degree Celsius water' was sufficient. Some athletes wear booties to keep their toes warm or rubberized coverings around their midsection while immersed. The temperature can vary, but is usually in the range of 50вЂ“59 degrees Fahrenheit or between 10 and 15 degrees Celsius. One method of doing this was to have two tubsвЂ“вЂ“one cold (10вЂ“15 degrees Celsius) and another hot (37вЂ“40 degrees Celsius) вЂ“вЂ“and to do one minute in the cold tub followed by two minutes in a hot tub, and to repeat this procedure three times. Some athletes use a technique known as contrast water therapy or contrast bath therapy, in which cold water and warmer water are alternated. Evidence supporting cold water immersion as part of an athletic training regimen remains inconclusive, with some studies suggesting a mild benefit such as reducing muscle damage and discomfort and alleviating delayed onset muscle soreness, with other studies suggesting that cold water immersion may slow muscle growth and interfere with an overall training regimen. Many athletes have used cold water immersion after an intense exercise workout in the belief that it speeds up bodily recovery however, the internal physical processes are not well understood and remain elusive. While it is becoming increasingly popular and accepted among athletes in a variety of sports, the method is controversial, with a risk of hypothermia, with the possibility of shock leading to sudden death.

In sports therapy, an ice bath, or sometimes cold-water immersion or cold therapy, is a training regimen usually following a period of intense exercise in which a substantial part of a human body is immersed in a bath of ice or ice-water for a limited duration. Champion weightlifter Karyn Marshall taking an ice bath after the Crossfit Games in 2011.

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