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

Complex Regional Pain Syndrome (Reflex Sympathetic Dystrophy)Complex regional pain syndrome (CRPS) is a condition of intense burning pain, stiffness, swelling, and discoloration that most often affects the hand. Arms, legs, and feet can also be aff

Frozen ShoulderFrozen shoulder, also called adhesive capsulitis, causes pain and stiffness in the shoulder. Over time, the shoulder becomes very hard to move.After a period of worsening symptoms, frozen shoulder tends to get better, although full

Vitamin DFact Sheet for Health ProfessionalsWoman shopping for dietary supplementsHave a question?Ask ODS: ods.od.nih.gov/contactTable of ContentsIntroductionReference IntakesSources of Vitamin DVitamin D Intakes and StatusVitamin D Defici

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

Bone TumorBone tumors develop when cells within a bone divide uncontrollably, forming a lump or mass of abnormal tissue.Most bone tumors are benign (not cancerous). Benign tumors are usually not life-threatening and, in most cases, will not sprea

Infections After FractureMost fractures (broken bones) do not lead to infections. When infections do occur after fractures, the treatment and recovery can be prolonged and complicated.CauseInfections typically occur after fractures because bacte

Ingrown ToenailIf you trim your toenails too short, particularly on the sides of your big toes, you may set the stage for an ingrown toenail. Like many people, when you trim your toenails, you may taper the corners so that the nail curves with the