ive had back problems going into this workout but ever since working out, my back hasnt given me any problems. Id suggest pushing your stretch routine a little longer. Id make a list of all the different stretches used in the dvd and do it at your own pace then jump into the workouts on the dvd.
Just finished my first week and it feels great, im just waiting to see some weight loss. I feel a lot stronger than before the workout though.
Yeah actually my back feels a lot better today. Probably just a case of weaker muscles in that area that I have not worked out enough in the past. I still feel like the stretching routines are a bit lacking so I'm gonna give myself a few extra minutes before and after to do my own stretches.