left vastus medialis
Muscular systemLower limbLeftFMA38933
Nomenclature
left vastus medialis
musculus vastus medialis (Latin)
vasto mediale sinistro (Italian)
Descriptionentry
Medial head of the quadriceps; its distal oblique fibres stabilise the patella.
Functionentry
Extension of the knee; medial control of the patella in the last degrees of extension.
Originentry
Medial lip of the linea aspera and intertrochanteric line of the femur.
Insertionentry
Base and medial border of the patella, patellar tendon.
Innervationentry
Femoral nerve (L2-L4).
Blood supplyentry
Deep femoral artery.
Clinical notes
Weakness of the vastus medialis obliquus favours patellofemoral pain syndrome.
Model