Flexibility, Yoga Training, and Ergonomic Postural Advice DVDcontains three parts: Yoga and Respiration, Ergonomics and Posture,and Flexibility and Yoga. Yoga and Respirationfocuses on respiration, the foundation for all exercise. You'll learn to combat shallow breathing that comes from work-related stress. In the Ergonomics and Posturesection, you'll learn how to manage the stress of working in an office environment and how to overcome the postural effects that come from extended sitting. Flexibility and Yogafocuses on good breathing techniques and perfect posture. This section will help you learn to achieve good breathing and perfect posture, important to maintain a stress-free lifestyle.