<http://schema.org/description>
"Warm-up exercises both prepare you for a workout and promote circulation by loosening up your entire body. Find out how to prevent injuries by following these steps before you begin any intense physical activity."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/wellness/diet-fitness/information/warm-up-exercises3.htm>