BOSU (bo-sue) Blast is a full body work out utilizing the BOSU ball. The BOSU ball helps you work the tiny stability muscles strengthening your core and improving your balance, the shakiness during your work out is a good thing! The ball helps us advance or modify all types of body weight exercises like push-ups and lunges. When doing these movements on the flat floor, you are only hitting the large muscle groups. Come put a new twist on your old favorites!