Pronunciation (GLOO -te-us ME-de-us) Origin/Proximal Attachment Outer aspect of ilium (between iliac crest & anterior & posterior gluteal lines); upper fascia (gluteal aponeurosis) Insertion/Distal Attachment Superior aspect of greater trochanter Action/Relevance Anterior & lateral fibres abduct & internally rotate the thigh Posterior fibres may externally rotate thigh Stabilizes pelvis especially during gait cycle Innervation Superior Gluteal nerve (L4, 5,S1) Notes Broad thick muscle. Posterior third is covered by glut max. Ant 2/3 covered only by a strong fascial layer. | 
