Strains of the muscles within the hip and pelvis could potentially cause pain and spasm. The most common strains are groin pulls and hamstring strains. Hip fractures are most often caused by falls from the standing top or significantly less. Other causes include: The human hip joint is a fancy https://www.theorthopaedicandpainpractice.com/what-is-avascular-necrosis-of-the-hip/?_gl=1*xbbxlb*_up*MQ..&gclid=Cj0KCQjwkt6aBhDKARIsAAyeLJ2krYJSOuy5mZksrNqH-VDjQwW1ScD49yD8BUWysDG6u6bJPCSbXVUaAuCPEALw_wcB