What are the true causes of back pain?

What are the true causes of back pain? True lumbago centered on the spine or lumbar waist disturbed. (1) Most often because the wrong attitude and body position is not ergonomic. Pain is not good in the waist, usually forgotten when it is busy, the body quickly tired and unfit.Usually experienced by those with less motion (se-dentary); improper sitting posture, overweight, lazy, and suffered