POWER YOGA PRACTICE by Beryl Bender Birch Power Yoga Practice is an inspirational, flowing class designed for Yoga students of nearly all ages and fitness levels. In an easy to follow format, Beryl Bender Birch gives detailed instruction for each Asana along with clear explainations of proper form and technique. The students on screen, ranging widely in age and ability, demonstrate modifications and a variety of intensity levels, making it possible for you to adjust the practice to your own fitness and experience. (DVD)