=====Lumbosacral plexus===== {{ http://upload.wikimedia.org/wikipedia/commons/thumb/7/73/Lumbar_plexus.svg/2000px-Lumbar_plexus.svg.png?400}} The anterior divisions of the lumbar nerves, sacral nerves, and coccygeal nerve form the lumbosacral plexus, the first lumbar nerve being frequently joined by a branch from the twelfth thoracic. For descriptive purposes this plexus is usually divided into three parts: [[lumbar plexus]] [[sacral plexus]] pudendal plexus see [[Lumbosacral plexus injury]]