(from the article `exercise`) ...comfortable way to begin an exercise session and is probably safer. Progressively more vigorous exercises or a gradual increase in walking speed ... Found on http://www.britannica.com/eb/a-z/c/138
slowing down at the end of a workout to allow your body temperature and heart rate to decrease gradually.
Found on http://www.encyclo.co.uk/local/20944
Slow running or jogging done after a workout or competition to loosen muscles and rid the body of lactic acid. Found on https://www.encyclo.co.uk/local/21244