Adductor Group

Question 0

Gracilis

Answer 0

O: inferior ramus of pubis, ramus of ischium
I: medial surface of proximal end of tibia just distal to medial condyle
A: adduct thigh, flex leg, medial rotate flexed leg
Inn: obturator N (L2-3)

Question 1

Adductor longus

Answer 1

O: pubic tubercle
I: medial lip of line aspera
A: adduct thigh, flex thigh
Inn: obturator N (L2-3)

Question 2

Adductor brevis

Answer 2

O: body and inferior ramus of pubis
I: pectineal line, proximal part of linea aspera of femur
A: adduct thigh, flex thigh
Inn: obturator N (L3-4)

Question 3

Adductor Magnus

Answer 3

O: inferior ramus of pubis; ramus of ischium; ischial tuberosity
I: linea aspera; adductor tubercle
A: adduct thigh; flex thigh
Inn: obturator N sciatic N (L3-4)

Question 4

Obturator externus

Answer 4

O: obturator membrane; bone around obturator foramen on external surface of pelvis
I: trochanteric fossa of femur
A: lateral rotation of thigh
Inn: obturator N (L3-4)