Sciatica is a set of symptoms that includes pain radiating from the back down through the buttock and leg. The term "sciatic nerve" actually refers to 2 distinct nerves named the tibial and common peroneal nerves, enclosed in a common sheath.

Scoliosis is a sideways curvature of the spine. Most cases of scoliosis are mild in which treatment may not be necessary. But severe scoliosis can be painful, debilitating, disabling and may need surgery to straighten or prevent worsening of a curve.

An estimated 80 to 90 percent of Americans will experience significant back pain. Ninety percent (90%) of these people will continue to have back pain that will limit work and recreational activities.

Spinal stenosis occurs when the channels that the spinal cord or nerve roots travel through become increasingly narrow resulting in compression of the cord or nerve. It can lead to pain in the lower back, legs, neck, arms, or hands, depending on where the spinal cord or nerves are being compressed.