Anterior Leg

Question 1

Name the 4 muscles of the anterior leg

Answer 1

Tibialis anterior, extensor digitorum longus, extensor hallucis longus, peronius tertius

Question 2

What nerve innervates the anterior leg muscles?

Answer 2

Deep peroneal nerve

Question 3

Name the origins of the tibialis anterior

Answer 3

Lateral proximal tibial, lateral condyle of tibia, interosseus membrane

Question 4

What are the insertions of the tibialis anterior muscle?

Answer 4

Medial cuneiform and 1st metatarsal

Question 5

What are the functions of the tibialis anterior muscle?

Answer 5

Dorsiflexion and eversion

Question 6

What are the origins of the extensor hallucis longus muscle?

Answer 6

Medial mid-fibula and interosseus membrane

Question 7

What are the functions of the extensor hallucis longus muscle?

Answer 7

Hallucis extension and dorsiflexion

Question 8

What is the origin of the peronius tertius muscle?

Answer 8

Distal anterior fibula

Question 9

What is the insertion of the peronius tertius muscle?

Answer 9

Dorsal 5th metatarsal

Question 10

What are the actions of the peronius tertius?

Answer 10

Dorsiflexion and foot eversion

Question 11

What does damage to the deep peroneal nerve cause?

Answer 11

Foot drop