Muscles of the medial thigh

Question 1

How many muscles are in the Medial compartment of the thigh?

Answer 1

5

Question 2

What is the blood supply to all the muscles of the medial thigh?

Answer 2

The Obturator artery

Question 3

Which nerve innervates all of the muscles in the medial thigh?

Answer 3

The Obturator nerve

Question 4

What are the 5 muscles in the medial compartment of the thigh?

Answer 4

Gracilis
Obturator externus
Adductor brevis
Adductor longus
Adductor magnus

Question 5

What is an extra action of the Adductor longus?

Answer 5

Medial rotation of the thigh

Question 6

What is special about the Adductor magnus?

Answer 6

It is the biggest muscles in the medial compartment. This means that some of the fibres are in the posterior compartment and have different actions

Question 7

What is the action of the posterior segment of Adductor magnus?

Answer 7

Extends the thigh

Adducts the thigh

Question 8

What is the action of the medial segment of Adductor magnus?

Answer 8

Flexes the thigh

Adducts the thigh

Question 9

What innervates the Posterior segment of Adductor magnus?

Answer 9

The tibial nerve

Question 10

What innervates the medial segment of the Adductor magnus?

Answer 10

The Obturator nerve

Question 11

What is the action of Obturator externus?

Answer 11

Laterally rotates the thigh

Question 12

What is the action of the Gracilis muscle?

Answer 12

Adduction of the thigh at the hip

Flexion of the leg at the knee