In boxing, a medicine ball can be used when rotating the body the work the oblique muscles. Work the lower abs and obliques for boxing with tips from a boxing coach and trainer in this free instructional video on beginner boxing tips. Expert: Bruce Acuna Contact: www. bruceskoboxing. com Bio: Bruce Acuna is the owner of Bruce’s KO Boxing in Austin, Texas, in addition to being a coach and trainer. Acuna has been a professional fighter and trainer for over two decades. Filmmaker: Glenn Pieper