Adductor Longus

Origin: Body of pubis inf. to pubic crest.

Insertion: Middle 1/3 of linea aspera.

Action: ADD of thigh.

Innervation: Ant. division, obturator n. (L2, L3, L4)

Blood: Ant. branch obturator a.

Adductor Brevis

Origin: Body and inf. ramus  of pubis.

Insertion: Pectineal line and proximal part of linea aspera.

Action: ADD and limited flexion of thigh.

Innervation: Ant. division, obturator n. (L2, L3, L4)

Blood: Ant. branch obturator a.

Adductor Magnus

Origin: Adductor part- Inf. ramus of pubis, ramus of ischium.

           Hamstring part- Ischial tuberosity.

Insertion: Adductor part- Gluteal tuberosity, linea aspera, med. supracondylar line.

               Hamstring part- Adducor tubercle. 

Action: ADD of thigh; Aductor part- flexes thigh; Hamstring part extends thigh.

Innervation: Adductor part- post. division, obturator n. (L2, L3, L4)

                   Hamstring part- Tibial division of sciatic n. (L4).

Blood: Ant. branch obturator a.

Gracilis 

Origin: Body and inf. ramus of pubis.

Insertion: Sup. part of med. surface of tibia (pes anserinus)

Action: ADD thigh, flexes leg; IR of leg.

Innervation: Obturator n. (L2, L3)

Blood: Ant. branch obturator a.

Obturator Externus

Origin: Margins of obturator foramen and obturator membrane.

Insertion: Trochanteric fossa of femur.

Action: ER of thigh; steadies femoral head.

Innervation: Obturator n. (L3, L4)

Blood: Ant. branch obturator a.