OverviewOsteoporosis causes bones to become weak and brittle — so brittle that a fall or even mild stresses such as bending over or coughing can cause a fracture. Osteoporosis-related fractures most commonly occur in the hip, wrist or spine.Bone i

Upper Extremity Limb Length DiscrepancyAn upper extremity limb length discrepancy is a difference in the lengths of the arms. A discrepancy can be present when a child is born (congenital) or develop when a child is older as the result of injury, i

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

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

Rickets, osteomalacia, and renal osteodystrophy are disorders of the mineralization of bone that result from a lack of available calcium, phosphorus, or both. The diseases that result from numerous mechanisms present with a symptom-sign-radiographic

Tarsal CoalitionA tarsal coalition is an abnormal connection of two or more bones in the foot. The bones affected — called tarsal bones — are located toward the back of the foot and in the heel, and the connection of the bones can result in a sever

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

Slipped Capital Femoral EpiphysisSlipped capital femoral epiphysis (SCFE) is a hip condition that occurs in teens and pre-teens who are still growing. For reasons that are not well understood, the ball at the head of the femur (thighbone) slips off