Designed with a unique Peanut Shaped Therapy Ball, this kit is designed to strengthen your core and back. Stretch and strengthen your spine while increasing your range of motion. DVD includes two 10-minute workouts: "Core Focus" targets those hard-to-reach places helping you build strength throughout your midsection; "Strong Core and More" adds more challenge with standing moves requiring greater control and concentration. Fitness Cardio, kickbox, cross train, dance, abs and walking – Gaiam Fitness has it all. Gaiam’s top trainers will inspire you to get moving, get stronger and simply feel better! About Gaiam: As a leading company for yoga, fitness and wellness products and content, Gaiam is dedicated to making yoga, fitness and wellness accessible.