Strains in the muscles around the hip and pelvis might cause pain and spasm. The most typical strains are groin pulls and hamstring strains. Hip osteonecrosis, often called avascular necrosis or aseptic necrosis, is usually a problem characterised because of the death of bone tissue within the hip joint on https://www.theorthopaedicandpainpractice.com/what-is-avascular-necrosis-of-the-hip/?_gl=1*xbbxlb*_up*MQ..&gclid=Cj0KCQjwkt6aBhDKARIsAAyeLJ2krYJSOuy5mZksrNqH-VDjQwW1ScD49yD8BUWysDG6u6bJPCSbXVUaAuCPEALw_wcB