Anterior Compartment of the Lower Leg

Question 1

Tibialis anterior (origin)

Answer 1

lateral condyle of tibia, proximal 2/3 of lateral surface of tibia

Question 2

Tibialis anterior (insertion)

Answer 2

medial cuneiform, base of 1st metatarsal

Question 3

Tibialis anterior (action)

Answer 3

dorsiflexion, inversion of ankle

Question 4

Tibialis anterior (innervation)

Answer 4

deep fibular nerve

Question 5

Tibialis anterior (blood supply)

Answer 5

anterior tibial artery

Question 6

Extensor digitorum longus (origin)

Answer 6

lateral tibial condyle

Question 7

Extensor digitorum longus (insertion)

Answer 7

middle and distal phalanges of 2-5 toes

Question 8

Extensor digitorum longus (action)

Answer 8

extends digits 2-5, dorsiflexion, eversion of ankle

Question 9

Extensor digitorum longus (innervation)

Answer 9

deep fibular nerve

Question 10

Extensor digitorum longus (blood supply)

Answer 10

anterior tibial artery

Question 11

Extensor hallicus longus (origin)

Answer 11

middle 1/3 of anterior fibula

Question 12

Extensor hallicus longus (insertion)

Answer 12

distal phalange of great toe

Question 13

Extensor hallicus longus (action)

Answer 13

extends great toe, dorsiflexion, eversion of ankle

Question 14

Extensor hallicus longus (innervation)

Answer 14

deep fibular nerve

Question 15

Extensor hallicus longus (blood supply)

Answer 15

anterior tibial artery

Question 16

Fibularis tertius (origin)

Answer 16

fibular common fibers from the extensor digitorum longus

Question 17

Fibularis tertius (insertion)

Answer 17

dorsal surface of base of 5th metatarsal

Question 18

Fibularis tertius (action)

Answer 18

dorsiflexion

Question 19

Fibularis tertius (innervation)

Answer 19

deep fibular nerve

Question 20

Fibularis tertius (blood supply)

Answer 20

dorsal pedis artery