I have loaded a new video on to youtube link: http://www.youtube.com/watch?v=gwHlmUIydCU It has the exercises / stretches I did to help with my Sciatic lower back injury, Give it a look, but if your unsure check with a physician before doing them. 

As a Personal Trainer, I feel it is important to share information and teach my clients how to exercise and look after themselves, it is essential that the client learns the techniques to continue to train and understand how the body reacts to different stresses put opon it, without a Fit to you Personal Trainer, as this allows the lifestyle change to be completed, and you funtionality to improve.

http://www.fittoyou.co.uk