Vastus lateralis muscle

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Description:

This is one of the four muscles of the large quadriceps femoris musculature in the anterior thigh

Origin:
Proximal portion of intertrochanteric line, anterior and inferior margins of the greater trochanter, lateral side of gluteal tuberosity and laterally on the linea aspera in its proximal half; fibers also arise from the lateral intermuscular septum

Insertion:
Tibial tuberosity (the patella is a sesamoid bone within the quadriceps tendon, the combined tendon of the rectus and vasti muscles; proximal to the patella the tendon is named the quadriceps tendon, distal to the patella the tendon is called the patellar ligament)

Actions:
Extends the knee

Nerve supply:
Femoral nerve

Blood supply:
Branches of the femoral artery