Muscle
Gracilis
Medial thigh, crosses the knee
High-yield
Only medial-compartment muscle crossing the knee; obturator nerve. Inserts at pes anserinus.
Overview
The most superficial and only two-joint medial thigh muscle, adducting the hip and assisting knee flexion. Used as a tendon/muscle graft.
Reference facts
- Origin
Body and inferior ramus of the pubis
- Insertion
Superomedial surface of the tibia (pes anserinus)
- Action
Adducts the thigh; flexes and medially rotates the leg at the knee
- Innervation
Obturator nerve (L2, L3)
- Blood supply
Medial femoral circumflex / deep femoral arteries