What are the common causes for lower back pain?

Back pain, in an overwhelming number of cases, is a result of muscle strain due to lifting a heavy weight or twisting; sudden impact in an accident; a herniated disc brought about by stress on tissues and bones of the spine; or osteoarthritis, a degenerative disease of the joints. Lower back pain is commonly caused by:

back pain, can be due to muscle strain associated with lifting a heavy object sudden twisting.  It can also be the result of:   sudden impact in an accident, herniated disc brought about by stress on tissues and bones of the spine, or osteoarthritis, a degenerative disease of the joints.

Other causes of low back pain are: