This is a great circuit targeting the back, shoulders, butt, legs, and core!Its a full-body blast! The beauty of compound (multiple-joint) exercises is that they keep the heart rate up and give you a cardio kick, while targeting many muscle groups in one movement.I managed this circuit in 23 minutes. Try and beat my time! You can leave it at that if youre short on time or you can pair it up with 20-30mins of cardio. Click for Exercise Descriptions!