Summary
Origins
- Greater trochanter and lateral lip of the linea aspera of the 🦴 femur
Insertions
- Quadriceps tendon to the patella and via the patellar ligament to the tibial tuberosity
Actions
- Extends the knee
The vastus lateralis forms the powerful outer sweep of the thigh. Its broad origin along the greater trochanter and linea aspera funnels into the quadriceps tendon, helping extend the knee and define the iliotibial tract's ridge.