Adductor/Medial Thigh Muscles O, I, A, IN

gracilis origin

O: inferior pubic symphysis/ramus/body

gracilis insertion

I: pes anserine (proximal, medial, anterior tibial shaft)

gracilis action

A: hip adduction, hip flexion, hip medial rotation

gracilis innervation & artery

IN: obturator nerve

A: obturator artery

Pectineus origin

O: superior ramus of pubis

pectineus insertion

I: pectineal line or inferior to lesser trochanter

pectineus action

A: adduction, flexion, & medial rotation of hip

pectineus innervation & artery

IN: 1/3 obturator nerve & 2/3 femoral nerve

A: obturator artery

Adductor magnus origin

adductor part:

O: pubic inferior ramus, ischial ramus

hamstring part:

O: ischial tuberosity

adductor magnus insertion

adductor part:

I: femoral gluteal tuberosity, linea aspera, & medial supracondylar ridge

hamstring part:

I: femoral adductor tubercle

adductor magnus action

adductor part:

A: hip flexion

hamstring part:

A: hip extension

A: hip internal rotation & hip adduction

adductor magnus innervation & artery

IN: ?

Artery: obturator artery

Adductor longus origin

O: anterior pubis, pubic crest, & symphysis

adductor longus insertion

I: linea aspera (middle 1/3 of femur)

adductor longus action

A: hip medial rotation, hip adduction, flexion?

adductor longus innervation & artery

IN: obturator nerve

Artery: obturator artery

adductor brevis origin

O: pubis body & inferior ramus

adductor brevis insertion

I: femoral pectineal line & linea aspera (proximal)

adductor brevis action

A: hip flexion & medial rotation

adductor brevis innervation & artery

IN: obturator nerve

Artery: obturator artery