Anterior compartment of the leg

Question 1

Tibialis Anterior

Answer 1

P:Lateral condyle & Superior half of lateral tibia & interosseous membrane

D: medial & inferior surfaces of medial cuneiform and base of 1st metatarsal

N: deep fibular nerve (L4, L5)

A: Dorsiflexes ankle & inverts foot

Question 2

Extensor digitorum longus

Answer 2

P: lateral condyle of tibia, interosseous membrane, & superior 3/4 of fibula

D: middle and distal phalanges of lateral 4 digits

N: deep fibular nerve (L4, L5)

A: extends lateral 4 digits & dorsiflexes ankle

Question 3

Extensor hallucis longus

Answer 3

P: middle part of anterior fibula & interosseous membrane

D: dorsal aspect of distal hallux

N: Deep fibular nerve (L4, L5)

A: extends great toe, dorsiflexes ankle

Question 4

Fibularis tertius

Answer 4

P: inferior 1/3 of anterior fibula & interosseous membrane

D: dorsal surface of 5th metatarsal

N: Deep fibular nerve (L4, L5)

A: dorsiflexes ankle & aids in eversion of the foot

Question 5

Which structures transit the flexor retinaculum

Answer 5

1. Tibialis posterior tendon
2. flexor Digitorum posterior tendon
3. posterior tibial Artery
4. posterior tibialis Vein
5. tibial Nerve
6. flexor Hallucis longus tendon

Tom Dick And a Very Nervous Harry