Back pain or backache is a very common condition among people around the world. This type of pain does not usually appear on its own – in the majority of cases it can be originated from different underlying conditions, such as arthritis or even viral infection. This test is the tool, designed to help people find out the origin of their backache just answering several questions online. Please, keep in mind, that the results provided by this online questionnaire should be used as the reference only, because only personal examination by a qualified doctor can define the true diagnosis.