Any group or individual may propose a guideline topic to SIGN and their selection process is detailed at: http://www.sign.ac.uk/about/proposal.html NHS Inform has a section dedicated to back pain containing information about the symptoms, causes, diagnosis and prevention of back specific musculoskeletal disorders and the treatments that are available: http://www.nhsinform.co.uk/MSK/back. The website advises that it can be difficult to confirm what causes the symptoms of back pain and that it can often be due to a build up of different things and be triggered by everyday activities at home or work.