Avascular necrosis or AVN is a significant situation that results in the Demise of the hip bones in the joint. The pain is much more critical and consistent than with osteoarthritis. This normally causes a pinched nerve, creating pain and discomfort. The lumbar backbone is especially susceptible to disc herniation https://www.theorthopaedicandpainpractice.com/service/lower-back-buttock-pain/