Celebrity trainer DB's Matrix Workout has shaped some of Hollywood's hottest bodies including pop star Fergie, actor Josh Duhamel, LA Dodger Matt Kemp and Black Eyed Peas front man Will.i.am and is poised to conquer the fitness world. The Matrix workout is set up to resemble a sports game format consisting of four quarters. Each quarter is designed with two exercises that challenge the cardiovascular and muscular endurance system to tone and sculpt the body while burning fat all within a 50…See More