In most cases, the back pain has an associated psychological component. Arthritis Rheumatism Bone disease Abnormal curvature of the spine Fractures are rarely the cause of back pain. Sometimes backache occurs for no apparent reason. They may develop from weakened muscles that cannot handle everyday walking, bending, and stretching. In other cases, the discomfort seems to come from, or is aggravated by, general tension, lack of sleep, or stress.
Back pain can come from several sources.