Adductor Magnus : Origin, Insertion, Action & Nerve Supply

Adductor Magnus: The Adductor Magnus’ muscle is the largest muscle in the medial compartment of the thigh. It lies posteriorly to the other muscles. The muscle divided into two parts; the adductor part, and the hamstring part.

Adductor part –
Origin-Originates from the inferior rami of the pubis and the rami of the ischium
Insertion-attaching to the linea aspera of the femur.
Hamstring part –
Origin-Originates from the ischial tuberosity
Insertion- attaches to the adductor tubercle and medial supracondylar line of the femur.

Function Adductor Magnus

They are both adduct the thigh. The adductor component also flexes thigh, with the hamstring portion extending thigh.

Nerve Supply of the Adductor Magnus

Adductor part innervated by the obturator nerve (L2-L4), and the hamstring part innervated by the tibial nerve (L4-S3).

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