When your neck’s bones, disks, and muscles are in good condition, they allow you to move your head freely and without pain.

The spinal column is a stack of bones (vertebrae) that are separated by soft pads of tissue (disks). Each of these bones has a canal that runs top to bottom. Together these canals form a tunnel called the spinal canal.

When your hands are healthy, they perform an amazing array of tasks, including feats of strength.

A healthy hip joint allows you to walk, squat, and turn without pain.

The kneecap provides leverage for your muscles as they bend and straighten the leg. It also protects the knee joint.

A healthy knee allows you to walk, squat, and turn without pain.

Your foot is made up of soft tissue and bones that work together to keep your travels pain-free.

Sprained ankles and wrists, arthritic knees and hips and torn rotator cuffs all have one thing in common: They result in joint pain.