At the lower end, the 11 lumbar, sacral, and coccygeal dermatomes are often grouped together ... if someone has impaired sensory function down the back of the calf and in the little toe, that ...

Acupuncture. Massage. Muscle relaxants. Cannabinoids. Opioids. The list of available treatments for low back pain goes on and on. But there’s not good evidence that these treatments actually ...