Posterior Lower Leg Muscles

Question 0

Distal attachment Extensor Hallucis Longus

Answer 0

Dorsal surface of base of distal phalanx of great toe, giving tendinous slips to the base of the proximal phalanx also

Question 1

Proximal attachment Extensor Hallucis Longus

Answer 1

Middle two quarters of anterior aspect of fibula and adjacent interosseous membrane

Question 2

Nerve supply EHL and EDL

Answer 2

Deep Peroneal Nerve L5,S1

Question 3

Proximal attachment Extensor Digitorum Longus

Answer 3

Linear attachment from proximal two thirds of the anterior surface of fibula, upper part of interosseous membrane and lateral condyle of tibia

Question 4

Distal attachment Extensor Digitorum Longus

Answer 4

Central portion of the extensor hood attaches to the base of the middle phalanx, while the outer two portions unite and attach to the base of the distal phalanx

Question 5

Proximal attachment Tibialis Posterior

Answer 5

Proximal half of lateral aspect of posterior surface of tibia, inferior to Soleal line
Interosseous membrane
Posterior aspect of fibula

Question 6

Distal attachment Tibialis Posterior

Answer 6

Tuberosity of the navicular and plantar surface of medial cuneiform
Sends slips to plantar surfaces of all tarsal bones except the talus

Question 7

Nerve supply Tibialis Posterior

Answer 7

Tibial Nerve L4,L5