Sciatica

Pain
Pain is a universal human experience. The International Association for the Study of Pain (IASP) defines pain as "an unpleasant sensory and emotional experience associated with actual or potential tissue damage or described in terms of such damage...  More »
Gale Encyclopedia of Neurological Disorders

Back Pain
Back pain may occur in the upper, middle, or lower back; it is most often experienced in the lower back. It may originate from the bones and ligaments forming the spine, the muscles and tendons supporting the back, the nerves that exit the spinal ...  More »
Gale Encyclopedia of Neurological Disorders

Low Back Pain
Pain felt in your lower back may come from the spine, muscles, nerves, or other nearby structures. It may also be due to problems in your mid or upper back, the testicles or ovaries, or a hernia in the groin.  More »
ADAM