The main differences between sciatica versus piriformis syndrome are: Where the pain is typically felt — buttock and hip for piriformis syndrome, while leg pain may radiate down to the toes for ...

The two most commonly affected lumbar facet joints are L4–L5 and L5–S1, so the nerves innervating these joints — the L3 and L4 medial branches and the L5 dorsal ramus — are most frequently ...

Learn more about Piriformis syndrome, which is a neuromuscular disorder due to a compression of the sciatic nerve. Understand its causes, symptoms, and treatment methods.

The sciatic nerve, which is the longest nerve in a person's body, runs underneath the piriformis. It travels from the spinal cord all the way down to a person's feet.

Your sciatic nerve is the largest nerve in your body. It lets you move and feel many parts of your legs. The sciatic nerve originates in your lower spinal cord at the level of your L4 to S3 vertebrae.