7. Vastus Lateralis
Origin: Greater trochanter and lateral lip of the linea aspera of the femur
Insertion: Tibial tuberosity via the patella tendon
Action: Extends lower leg
Innervation: Femoral nerve (L2/3/4)


Needling
Position: Supine
Palpation: Palpate the lateral aspect of the anterior thigh
Technique: Needle perpendicular to this muscle using the femur as a lateral backdrop
Caution: Low

Video 3.7 Needling of vastus lateralis, original video by Nadine Crocker, CC BY-NC 4.0.