Cathe Friedrich's Pure Strength (3 workouts on 1 DVD) 3 workouts on 1 DVD: This DVD contains three muscle conditioning workouts, Pure Strength Strong Legs & Abs, Pure Strength Chest, Shoulders & Triceps and Pure Strength Back Biceps & Abs. As with all of our DVDs, you can easily program your DVD player to choose only the sections of each workout that you want to do You can even mix one section from one workout with another. Strong Legs & Abs | Chest ,Shoulders & Triceps | Backs, Biceps & Abs