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Using a medicine ball to train and do sit-up exercises is a great way to work on the oblique and core muscles. Simplify exercises for the abs withhelp from a personal trainer in this free video on medicine ball sit-ups. Expert: Stephen Smith Contact: Bio: Stephen Smith is the owner and operator of Viva Fitness and is contracted out at Urban Body Fitness in Atlanta, Georgia. Filmmaker: Michael Burton
Video Rating: 5 / 5