Ankylosing spondylitis, or “AS,” is a form of arthritis that causes pain and stiffness of the spine. The word "ankylosing" means rigid. In AS, the bones of the spine become very rigid and can fuse together. The symptoms usually begin in the lower back and may also affect the hips and the rest of the spine. Other joints are affected less frequently.
Cervical arthritis means arthritis of the neck bones. Your neck has 7 vertebrae, and cushiony disks sit between the vertebrae. Over time or with injury, the disks can have problems and may bulge outward or get thinner.
Osteoarthritis of the AC joint in the shoulder is common in middle-aged or older adults. This video explains how this condition develops and how you can minimize its effects.
Having shoulder pain or problems lifting your arms over your head? You may have tendonitis or a tear in the muscles and tendons that hold your shoulder in place, called the rotator cuff. This video explains symptoms of this syndrome, possible treatments, and ways you can prevent shoulder injuries.
Osteoarthritis is the most common form of arthritis that affects the knee. In this condition, the slippery cartilage that covers the ends of bones in knee joint wears down. This video also explores a treatment option called a fixed knee replacement.