ETYM Latin, from lumbus loin. Related to Lumbar.
Backache affecting the lumbar region or lower back; can be caused by muscle strain or arthritis or vascular insufficiency or a ruptured intervertebral disc.
Pain in the lower region of the back, usually due to strain or faulty posture. If it occurs with sciatica, it may be due to pressure on spinal nerves by a slipped disc. Treatment includes rest, application of heat, and skilled manipulation. Surgery may be needed in rare cases.