SesamoiditisMost bones in the human body are connected to each other at joints. But there are a few bones that are not connected to any other bone. Instead, they are connected only to tendons or are embedded in muscle. These are the sesamoids. The

Adult Forearm FracturesYour forearm is made up of two bones: the radius and ulna. In most cases of adult forearm fractures, both bones are broken.Fractures of the forearm can occur near the wrist at the farthest (distal) end of the bone, in the m

Stress Fractures of the Foot and AnkleA stress fracture is a small crack in a bone, or severe bruising within a bone. Most stress fractures are caused by overuse and repetitive activity; they are common in runners and athletes who participate in ru

Kienböck's DiseaseKienböck's disease is a condition where the blood supply to one of the small bones in the wrist, the lunate, is interrupted. The lunate is a carpal bone.Bone is living tissue that requires a regular supply of blood for nourishme

Bone, Joint, and Muscle Infections in ChildrenChildren can develop infections in their bones, joints, or muscles. Often referred to as "deep" infections, the technical names for these conditions are:Osteomyelitis (bone infection)Septic arthritis

Sprained ThumbA sprained thumb occurs when the ligaments that support the thumb stretch beyond their limits or tear. This usually happens when a strong force bends the thumb backwards, away from the palm of the hand. The most common way for this to

Synovial ChondromatosisSynovial chondromatosis (also called synovial osteochondromatosis) is a rare, benign (noncancerous) condition that involves the synovium, which is the thin layer of tissue that lines the joints. Synovial chondromatosis can ar

Rheumatoid arthritis is a chronic inflammatory disorder that can affect more than just your joints. In some people, the condition can damage a wide variety of body systems, including the skin, eyes, lungs, heart and blood vessels.An autoimmune diso