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Featured Health Topics

Peer-Reviewed Article

What Is Piriformis Syndrome?

Piriformis syndrome is a condition in which the piriformis muscle, located deep in the buttock, spasms and causes buttock pain.
Peer-Reviewed video

Spinal Motion Segment: L4-L5 Animation

The L4-L5 spinal motion segment is located in the lower portion of the lumbar spine and consists of L4 and L5 vertebrae, and the anatomical structures connecting them.

Peer-Reviewed Article

Symptoms of a Spinal Tumor

Spinal tumor symptoms may include pain, neurological deficits, and back discomfort that worsens over time.

Spotlight on your health

Peer-Reviewed video

Sciatica Causes and Symptoms Video

Sciatica is leg pain caused by a problem in the low back. Watch an animated video that details the causes and symptoms of sciatica.

Peer-Reviewed video

Spinal Compression Fracture Video

Compression fractures occur most often in the thoracic and lumbar sections of the spine and can be caused by traumatic injury or as a result of osteoporosis.

Peer-Reviewed video

Cervical Laminectomy Video

In a cervical laminectomy procedure, a portion of bone is removed from the spine in the neck to relieve pressure caused by cervical spinal stenosis.