Name
Pronunciation
(GLOO-te-us MAK-si-mus)
Origin/Proximal Attachment
Outer rim of ilium (medial aspect); dorsal surface of sacrum & coccyx; sacrotuberous ligament
Insertion/Distal Attachment
Iliotibial (IT) band & gluteal tuberosity of femur
Action/Relevance
Extends the hip
Externally rotates
Upper fibres aid to abduct thigh
Assists stabilization of a fully extended knee (via IT band)
Innervation
Inferior Gluteal nerve (L5, S1, 2)
Notes
Forms bundles of thick fasciculae separated by fibrous septa. Provides coarse appearance.
Upper fibres attach to ITB, lower portion to gluteal tuberosity of femur.