Strains with the muscles round the hip and pelvis could potentially cause pain and spasm. The commonest strains are groin pulls and hamstring strains. Treatment for hip osteonecrosis varies according to the severity and stage of the condition, and solutions contain conservative management, such as medication and physical therapy, or https://www.theorthopaedicandpainpractice.com/what-is-avascular-necrosis-of-the-hip/?_gl=1*xbbxlb*_up*MQ..&gclid=Cj0KCQjwkt6aBhDKARIsAAyeLJ2krYJSOuy5mZksrNqH-VDjQwW1ScD49yD8BUWysDG6u6bJPCSbXVUaAuCPEALw_wcB