BOSU Abs in Two Minutes Posted on April 8, 2010April 9, 2010 by Personal Trainer Austin Many of you own a BOSU and/or use the BOSU when you are here with me. It’s a multi-use piece of equipment, and today I’ll demo a Two Minute Abdominal workout. It hits your shoulders, arms and entire core at the end. Enjoy! Take care, Margo