Jumping Jacks

Muscles worked calves, hip abductors, hip adductors While there is probably no need get into the how of jumping jacks, as we assume everyone is at least familiar with the mechanics, unfortunately familiarity breeds contempt and this workout is often overlooked due to its percieved simplicity. It can be an amazing warm up though, and if you are having trouble finding space to run jog, a thousand jumping jacks make for an excellent cardio workout.