Muscular system>Muscles of head and neck>Muscles of neck>Proper muscles of neck>Posterior scaleneThis image was produced from interactive 3D models on the BioDigital HumanInteract in 3DPosterior scalenem. scalenus posteriorRelated StructuresProper muscles of neckLongus capitisLongus colliAnterior scaleneMiddle scalenePosterior scaleneSternocleidomastoidRight posterior scaleneLeft posterior scaleneAnatomy SystemsMuscularSkeletal