Anterior and Lateral Compartments of the Leg

Question 1

Tibialis Anterior

Answer 1

O: Lateral Tibial Condyle, superior lateral tibia, Interosseous Membrane
I: Medial Cuneiform and Base of 1st Metatarsal
A: Dorsiflex and Inversion
Inn: Deep Fibular N

Question 2

Extensor Digitorum Longus

Answer 2

O: Lateral Tibial Condyle, Superior medial surface of fibula & interosseous membrane
I: Middle and Distal Phalanges of Lateral 4 digits
A: Extends lateral 4 digits and dorsiflexes ankle
Inn: Deep Fibular N

Question 3

Extensor Hallucis Longus

Answer 3

O: Middle Ant surface of fibular and interosseous membrane
I: Dorsal aspect of base of distal phalanx of great toe
A: Extends great toe & dorsiflexes ankle
Inn: Deep Fibular N

Question 4

Fibularis Tertius

Answer 4

O: Inferior anterior surface of fibula and interosseous membrane (appears as part of EDL)
I: Dorsum of base of 5th metatarsal
A: Dorsiflexes ankle and eversion
Inn: Deep Fibular N

Question 5

Fibularis Longus

Answer 5

O: Head and superior lateral surface of fibular
I: Base of 1st and medial cuneiform
A: Everts foot and plantar flex
Inn: Superficial Fibular N

Question 6

Fibularis Brevis

Answer 6

O: Inferior lateral surface of fibula
I: Lateral Side of base of 5th metatarsal
A: Everts foot and plantar flex
Inn: Superficial Fibular N

Question 7

What Nerve innervates the Lateral compartment of the Leg?

Answer 7

Superficial Fibular N

Question 8

What nerve innervates the anterior compartment of the leg?

Answer 8

Deep Fibular N