Some people think the cool down is a waste of time walking out to the car after a tough game of racquetball should be plenty of cooling down!Others treat post exercise time as a sort of happy hour, plopping down on the Grass after touch football with a cold beer. The truth is that the cool down is as important as the warm up, and stretching is more important in the cool down because warm muscles respond better to stretching .Allowing the body to gradually slow down helps the muscles get rid of waste products such as carbon dioxide and lactic acid more efficiently than slamming on the exercise bikes.
The duration of the cool down should be in proportion to the duration and intensity of the aerobic activity in general, another five to 10 minutes for a 30 to 40 minute aerobic session. The activities for a cool down, like those for a warm up session, really are limitless. Walk , cycle slowly with no resistance, swim with a slower rate of arm stroke, even marching in place at a gradually reduced speed and intensity will help your body recover from the hard work it's done.