Muscle
Adductor magnus
Two-part composite adductor
High-yield
Dual innervation - adductor part (obturator), hamstring part (sciatic/tibial). Adductor hiatus transmits femoral vessels to the popliteal fossa.
Overview
The largest adductor with an adductor part (obturator nerve) and a hamstring part (tibial division of the sciatic), whose tendon leaves the adductor hiatus.
Reference facts
- Origin
- Inferior pubic ramus, ischial ramus (adductor part), and ischial tuberosity (hamstring part)
- Insertion
- Linea aspera, medial supracondylar line, and adductor tubercle of the femur
- Action
- Adducts the thigh; adductor part flexes, hamstring part extends the hip
- Innervation
- Obturator nerve (L2-L4) and tibial division of the sciatic nerve (L4)
- Blood supply
- Deep femoral (perforating) and obturator arteries
Frequently asked questions
What does the adductor magnus do?
The adductor magnus adducts the thigh; adductor part flexes, hamstring part extends the hip.
What nerve innervates the adductor magnus?
The adductor magnus is innervated by the obturator nerve (L2-L4) and tibial division of the sciatic nerve (L4).
Where does the adductor magnus attach?
The adductor magnus originates from the inferior pubic ramus, ischial ramus (adductor part), and ischial tuberosity (hamstring part) and inserts on the linea aspera, medial supracondylar line, and adductor tubercle of the femur.
What is the blood supply of the adductor magnus?
The adductor magnus is supplied by the deep femoral (perforating) and obturator arteries.