Adult SpondylolisthesisIn spondylolisthesis, one of the bones in your spine — called a vertebra — slips forward and out of place. This may occur anywhere along the spine, but is most common in the lower back (lumbar spine). In some people, this cau

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

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

Congenital Muscular Torticollis (Wry Neck)Congenital muscular torticollis, also called twisted neck or wry neck, is a condition in which an infant holds his or her head tilted to one side and has difficulty turning the head to the opposite side.I

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

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

Malunion in the Lower LimbWhen a broken bone heals in an abnormal position, it is called a malunion. There are different abnormal positions in which a bone can heal. For example, the bone may be crooked, rotated, or shorter than it was before. A co

Elbow Injuries in the Throwing AthleteOverhand throwing places extremely high stresses on the elbow. In baseball pitchers and other throwing athletes, these high stresses are repeated many times and can lead to serious overuse injury.Unlike an ac