Barbell Roll-Out: Place a barbell on the floor, and add five-pound weight plates to each side with safety clips. From your knees, place your hands on the bar, shoulder-width distance apart (A). Lower your chest towards the bar, halfway toward a pushup (B). From here, brace your torso to keep your abs tight and roll the bar forward. Roll out until you feel solid tension in your arms (triceps) and core (C). Pull backward to the start position. That’s one rep