Name
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.