The Pilates principles were developed by Joseph Pilates in the early 20th century. This Core Conditioning Solution incorporates the popular fitness ball and resistance band with Pilates based exercises. It delivers a workout that will: strengthen and tone, improve balance and coordination, and aid in developing good posture. The BodyTrends Anti-burst Fitness Ball provides an unstable surface for added exercises that require further muscle recruitment and balance building. For additional toning benefit we have added a three-level Resistance Band system to further sculpt and reshape your body. Yellow for Beginners, Orange for Advanced Beginners, Red for Intermediates - Advanced The BodyTrends' Pilates/Yoga Mat ensures stability and protects your back from impact with the floor, making it the ideal surface for performing warm-up stretches and the Pilates workouts. The BodyTrends Core Conditioning Solution includes a comprehensive, easy-to-follow instructional video by Certified Pilates instructor, Julie Tomlinson: The video demonstrates how the Pilates progressive fitness system incorporating the Fitness Ball, Fitness Bands and a Mat, can help you target your upper body, buttocks and abdominals, create balanced long and lean muscles, reduce back aggravation caused by poor posture, and create strength and stability. This kit contains: a 65 cm fitness ball with pump, a body trends Pilates/Yoga Mat, 3-pack of fitness bands, and the Pilates Core Conditioning Video.