Name
Pronunciation
(VAS-tus me-de-A-lus)
Origin/Proximal Attachment
Intertrochanteric line of femur; medial aspect of linea aspera
Insertion/Distal Attachment
Common quadriceps tendon into patella, tibial tuberosity via patellar ligament
Action/Relevance
Extends knee
Innervation
Femoral nerve (L2,3,4)
Notes
Fibres pass downwards and forwards at an angle of approx 15 °.
Lowest fibres run horizontally and form a bulge.
These fibres appear to blend with the adductor magnus tendon to the medial border of the patella.