Back problems are divided into two broad groups: back pain, and disc prolapse with sciatica.  Here we talk about the common, everyday problem of low back pain, or having a sore back.  Although it is a common problem, individuals’ experience of ‘everyday’ back pain varies widely. Back pain can be mild and bothersome or it can be excruciating. In fact, most people tell you that their back pain varies from day to d...