The hip bone is the most commonly affected joint with AVN. Other affected areas are the knee, shoulder, wrist, ankle, hands, and feet. The most common symptoms are
Hip pain Dull ache or throbbing pain in the groin or buttock area Difficult to stand and put weight on the affected hip Moving the hip joint is painful
Causes- An injury that slows or stops blood flow to a bone such as Hip dislocations, hip fractures, ExcessiveAlcoholism Smoking High doses of corticosteroids for a long time Childhood diseases including Legg-Calve Perthes disease