To Venkzzz - I am wondering what has happened since your post regarding your sister? Has all turned out ok?? Sounded like cauda equina which can be quite nasty so am hoping things have worked out ok.

To PhilXD - look in to the McKenzie Institute and their approach to dealing with your condition and then find a physio who has trained in McKenzie theory and techniques. This really is the best approach for what you are describing. Continuing to lift heavy weights is not advisable!