Product Description Power yoga is a contemporary version of Ashtanga yoga - a rigorous sequence of flowing, fast-moving poses. Power Yoga Collection with Rodney Yee includes two 20-minute workouts to improve physical performance and confidence, release tension and promote peace of mind. Power Yoga for Beginners: Strength builds stronger arms, chest and back. Power Yoga for Beginners: Flexibility improves coordination and flexibility. DVD includes bonus programming and instructor interview.