MUSCLES COMPARTMENTS OF THE LEG

Question 1

Division of the leg

Answer 1

Anterior, posterior and lateral

Question 2

What separates anterior from lateral

Answer 2

anterior intermuscular septum

Question 3

What separates lateral from posterior

Answer 3

posterior intermuscular septum

Question 4

Muscles of anterior compartment of leg

Answer 4

Tibialis anterior, Extensor hallucis longus, extensor digitorum longus and peroneum

Question 5

What is the superior extensor retinaculum?

Answer 5

Broad band of deep fascia

Question 6

What passes from the fibula to tibia(From proximal to medial malleolus)

Answer 6

Superior extensor retinaculum

Question 7

Function of superior extensor retinaculum?

Answer 7

Binds down tendons and muscles of anterior compartment of the leg to prevent bowstringing during dorsiflexion

Question 8

Which retinaculum is Y shaped?

Answer 8

Inferior extensor retinaculum

Question 9

Where does the inferior extensor retinaculum attach?

Answer 9

Laterally on the calcaneus

Question 10

Function of inferior extensor retinaculum?

Answer 10

Binds down peroneum and extensor digitorum longus

Question 11

Origin of tibialis anterior

Answer 11

Lateral epicondyle and 1/3 superior lateral surface of tibia

Question 12

Insertion of tibialis anterior

Answer 12

Medial&Lateral surface of medial cueniform and base of 1st metatarsal

Question 13

Innervation of tibialis anterior

Answer 13

Deep fibular nerve

Question 14

Origin of extensor digitorum longus

Answer 14

Lateral epicondyle and superior medial 2/3 of tibula

Question 15

Insertion of extensor digitorum longus

Answer 15

Middle and distal phalanges of lateral 2 to 4 phalanges

Question 16

Innervation of extensor digitorum longus

Answer 16

Deep fibular nerve