Why is it important to 'cool down' following vigorous physical activity?

Why is it important to 'cool down' following vigorous physical activity?

Gary Brazina (Sports Medicine Physician) gives expert video advice on: What role do proper clothing and footwear play in preventing sports injuries?; Why is it important to 'stretch' before exercising? and more...

Cool down is important, as it prevents injury by allowing a slow return of your heart rate to normal, as opposed to a sudden stop. It allows the muscles to slowly divert the blood flow back to your core, and away from the vigorous muscle activity. By a slow cool down, it helps remove lactic acid, some of the metabolic by-products to be washed out of the muscles in a slow fashion