Muscles of the medial compartment of the thigh

Question 1

What are the 5 muscles of the medial compartment of the thigh (hip adductors)?

Answer 1

• Gracilis
• Obturator externus
• Adductor brevis
• Adductor longus
• Adductor magnus

Question 2

Where does the medial compartment of the thigh get its arterial supply?

Answer 2

Obturator artery

Question 3

Adductor Magnus (Adductor component)

Answer 3

O: Inferior ramus of the pubis and the ischium

I: Linea aspera of femur

I: Obturator nerve

A: Adduction and flexion of the thigh

Question 4

Adductor Magnus (Hamstring component)

Answer 4

O: Ischial tuberosity

I: Adductor tubercle and medial supracondylar line (distal margins of the linea aspera)

I: Tibial component of sciatic nerve

A: Extend the thigh

Question 5

What separates the insertion points of the adductor and hamstring components of the adductor magnus?

Answer 5

Adductor hiatus

Question 6

Adductor Longus

Answer 6

O: Body of pubis

I: Middle third of linea aspera

I: Obturator nerve

A: Adduction of thigh

Question 7

Adductor Brevis

Answer 7

O: Body of pubis and inferior pubic ramus

I: Linea aspera

I: Obturator nerve

A: Adduction of the thigh

Question 8

Gracilis

Answer 8

O: Body of pubis and inferior pubic ramus

I: Medial surface of proximal tibia (pes anserinus)

I: Obturator nerve

A: Adduction of the thigh and flexion of the leg

Question 9

Obturator externus

Answer 9

O: External surface of obturator membrane

I: Posterior aspect of greater trochanter

I: Obturator nerve

A: Adduction and lateral rotation of the thigh