Medial Thigh: Adductors of Thigh

Question 1

Adductor Longus

Answer 1

O: Body of pubis inferior to pubic crest

I: Middle third of linea aspera of femur

I: Obturator nerve (anterior division) (L2, L3, L4)

B: Profunda femoris and medial circumflex femoral arteries

A: Adducts thigh at hip

Question 2

Adductor brevis

Answer 2

O: Body and inferior pubic ramus

I: Pectineal line and proximal part of linea aspera of femur

I: Obturator nerve (L2, L3, L4)

B: Profunda femoris, medial
circumflex femoral, and obturator arteries

A: Adducts thigh at hip, weak hip flexor

Question 3

Adductor magnus

Answer 3

O: Inferior pubic ramus, ramus of ischium
Hamstring part: sciatic nerve (tibial division)

I: Gluteal tuberosity, linea aspera, medial supracondylar line
Hamstring part:
adductor tubercle of femur

I: Adductor part:
obturator nerve (L2, L3, L4)
Hamstring part:
sciatic nerve (tibial division) (L4)

B: Femoral, profunda femoris, and obturator arteries

A: Adductor part: adducts and flexes thigh
Hamstring part: extends thigh

Question 4

Gracilis

Answer 4

O: Body and inferior ramus of pubis

I: Superior part of medial surface of tibia

I: Obturator nerve (L2, L3)

B: Profunda femoris artery, medial circumflex femoral artery

A: Adducts thigh, flexes and medially rotates leg

Question 5

*Obturator Externus

Answer 5

O: Margins of obturator foramen, obturator membrane

I: Trochanteric fossa of femur

I: Obturator nerve (L3, L4)

B: Medial circumflex femoral artery, obturator artery

A: Laterally rotates thigh, stabilizes head of femur in acetabulum