A full-body workout that packs a punch when you're in a crunch! Gunnar invites you into his state-of-the-art Beverly Hills gym to train among Hollywood's A-list. In his series of workouts, Gunnar teaches you his techniques for keeping his celebrity clients in shape and camera ready. Gunnar trains you using his one-of-a-kind 1-2-3 Core technique - developed by Gunnar to increase heart rate and burn more calories. He'll introduce you to one of his favorite and most effective tools to strengthen your core muscles and shape your entire body.