Name

# Vastus Intermedius

Pronunciation

(VAS-tus in-tur-ME-de-us)

Origin/Proximal Attachment

Anterolateral aspect of femoral shaft

Insertion/Distal Attachment

Common quadriceps tendon into patella, tibial tuberosity via patellar ligament

Action/Relevance

Extends knee

Innervation

Femoral nerve (L2,3,4)

Notes

Vastus intermedius is often inseperable from v. medialis.

A narrow cleft can be seen to arise from the medial patella border extending to the lower part of the intertrochanteric line.