Muscles - Medial Thigh

Question 1

Adductor Longus

Answer 1

O - Body of pubis, inferior to pubic crest
I - Middle third of linea aspera of femur
NS - Obturator nerve (branch of anterior division) (L2-L4)
A - Adducts thigh

Question 2

Adductor Brevis

Answer 2

O - Body and inferior ramus of pubis
I - Pectineal line and proximal part of linea aspera
NS - Obturator nerve (branch of anterior division) (L2-L4)
A - Adducts thigh, mild flexion

Question 3

Adductor Magnus (Adductor Part)

Answer 3

O - Inferior ramus of pubis, ramus of ischium
I - Gluteal tuberosity, linea aspera, medial supracondylar line
NS - Obturator nerve (posterior division) (L2-L4)
A - Adducts thigh, some flexion

Question 4

Adductor Magnus (Hamstrings Part)

Answer 4

O - Ischial tuberosity
I - Adductor tubercle of femur
NS - Tibial part of sciatic nerve (L4)
A - Extends thigh

Question 5

Gracilis

Answer 5

O - Body and inferior ramus of pubis
I - Pes anserinus
NS - Obturator nerve (L2-L3)
A - Adducts the thigh, flexes knee, weak medial rotation

Question 6

Obturator Externus

Answer 6

O - External surface of obturator membrane and surrounding bone
I - Trochanteric fossa of femur
NS - Obturator nerve (L3-L4)
A - External roation of thigh, stabilises femoral head in acetabulum