Here are some sites where you can get info about back pain and how to treat it.
http://www.back-pain.co.uk/

http://www.mayoclinic.com/health/back-pain/DS00171

http://www.back.com/

http://www.1backpain.com/

http://www.spine-health.com/

http://www.medtronic.com/neuro/ttp/

http://www.tensunits.com/

http://www.myuglychair.com/