Unless stated otherwise, this image is from the 20th U.S. edition of Gray's Anatomy of the Human Body, originally published in 1918 and therefore lapsed into the public domain. A copy of Gray's Anatomy can be found on Bartleby and also on Yahoo!.
{{Information |Description= Muscles of the gluteal and posterior femoral regions with current muscle highlighted |Source= Image:Gray434.png |Date= 2007-09-29 |Author= User:Mikael Häggström }} {{Gray's Anatomy plate}} {{PD-old}}