Christi Taylor presents the Ultimate Cardio Core Workout! Rock the house with video fitness favorite Christi Taylor as she leads you through an innovative cardio and strengthening workout that's sure to blast fat and firm up your entire body. Groove to upbeat, high-energy music as you execute fun and funky floor aerobic and step moves. Integrating a soft touch medicine ball (optional) during the cardio portion of the routine engages your core muscles, keeping your heart pumping and your muscles strengthening simultaneously. NOTE ON THE OPTIONAL MEDICINE BALL USE - Christi plans on using a 5 pound one in the DVD and her modifiers will be using a 3 pound version. Whether you've worked out with Christi before or not, her expert cuing and unique ability to connect with her students will keep you on task and moving like a pro. The 35 minute cardio portion is followed by 20 minutes of intensive core training. A relaxing cool down and stretch segment wraps up your workout. Optional tools: 3 to 5 pound medicine ball (see note above), step.