Name

# Gluteus Maximus

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.