(Quadriceps Femoris) Vastus Lateralis

knee-model-patella-labeledMuscle Origin

Greater trochanter to tibial tuberosity.

The (Quadriceps Femoris) Vastus Lateralis attaches to the proximal part of the intertrochanteric line, the anterior and inferior margins of the greater trochanter to the gluteal tuberosity and the linea aspera on the posterior femur. American Academy of Manual Medicine.

Insertion

Patella via the Quadriceps tendon and Tibial tuberosity via the Patellar ligament.

Into the lateral side of the quadriceps tendon, joining with rectus femoris and the other vasti muscles, enveloping the patella, then by the patellar ligament into the tibial tuberosity.

Action

Extend lower leg at knee.

Extends the leg at the knee and pulls the patella laterally.

Innervation – Nerve control

Femoral nerve.

The femoral nerve is a nerve in the thigh that supplies skin on the upper thigh and inner leg, and the muscles that extend the knee. Wiki

Artery

Lateral circumflex femoral artery.

The lateral circumflex femoral artery (lateral femoral circumflex artery, external circumflex artery) is an artery in the upper thigh. Wiki

Antagonist muscles

Hamstring.

Gastrocnemius, Popliteus, Gracilis, and Sartorius. The hamstrings are the large set of muscles that span the back of the thigh from the buttocks to the calves and serve to flex the knee and extend the hip.

Pictures of muscles

 

Trigger Point Referrals

 

Stretching description

 

Exercises

 

Injuries

 

Treatment

 

Additional Resources
Sports Lab
Wiki
American Academy of Manual Medicine

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