Hip Dislocations By Danielle Campagne, MD, University of California, San Francisco Reviewed / Revised Jan 2023 View Patient Education Diagnosis Treatment Dislocated prosthetic hip Key Points Topic Resources Dislocated Prosthetic Hip Captain Morgan technique Rocket Launcher Technique Most hip dislocations are posterior and result from severe posteriorly directed force to the knee while the knee and hip are flexed (eg, against a car dashboard).