Pain in the low back can be a result of conditions affecting the bony lumbar spine, discs between the vertebrae, ligaments around the spine and discs, spinal cord and nerves, muscles of the low back, internal organs of the pelvis and abdomen, and the skin covering the lumbar area.
Symptoms range from a dull ache to a stabbing or shooting sensation. The pain may make it hard to move or stand up straight. Acute back pain comes on suddenly, often after an injury from sports or heavy lifting. Pain that lasts more than three months is considered chronic. If your pain is not better within 72 hours, you should consult a doctor.