4. Pectineus
Origin: Superior ramus of the pubis
Insertion: Pectineal line of femur (just inferior to the lesser trochanter)
Action:
- Adducts the thigh
- Flexes the thigh
- Weak internal rotator of the thigh
Innervation: Femoral nerve (L2/3), Occasionally may receive a branch from the obturator nerve


Needling
Position: Supine
Palpation: Palpate for the femoral artery
Technique: Needle lateral from the femoral artery towards the pectineal line
Caution: High – femoral artery lies directly on top of this muscle

Video 4.4 Needling pectineus, original video by Nadine Crocker, CC BY-NC 4.0.