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Title: Good for back trouble
Review: I am a trainer, bought this for my hubby and father-in-law to follow along with when their backs are giving them trouble -- good intruction and demonstrations easy to follow, esp for people with no background in training -- broken up into different catagories so viewers can do a little (for example, just stretch if beginner/current back trouble) or whole program (for stretching, ab/back and core strengthening)
