Name

# Tensor Fascia Latae

Pronunciation

(TEN-sor FASH-e-a LA-te)

Origin/Proximal Attachment

Anterior aspect of iliac crestAnterior superior iliac spine (ASIS)

Insertion/Distal Attachment

Anterior aspect of iliotibial (IT) band, below greater trochanter (IT band inserts on the anterolateral tibia, & also sends slips to the lateral patellar retinaculum & the biceps femoris tendon)

Action/Relevance

Flexes the hipRotates & abducts a flexed thighTenses IT band medially to support femur on tibia during standing

Innervation

Superior Gluteal nerve (L4, 5,S1)

Notes

Arises from the anterior 5cm of the outer rim of the iliac crest.

Usually attaches about 1/3 of the length of the ITB.