ANTERIOR FASCIAL COMPARTMENT OF THE LEG

Question 1

O: lateral surface of shaft of tibia and interosseous membrane
I: medial cuneiform and base of first metatarsal bone
N: deep peroneal nerve
A: extends foot at ankle joint; inverts foot at subtalar and transverse tarsal joints; holds up medial longitudinal arch of foot

Answer 1

Tibialis anterior

Question 2

O: anterior surface of shaft of fibula
I: extensor expansion of lateral four toes
N: deep peroneal nerve
A: extends toes; extends foot at ankle joint

Answer 2

Extensor digitorum longus

Question 3

O: anterior surface of shaft of fibula
I: base of fifth metatarsal bone
N: deep peroneal nerve
A: extends foot at ankle joint; everts foot at subtalar and transverse tarsal joints

Answer 3

Peroneus tertius

Question 4

O: anterior surface of shaft of fibula
I: base of distal phalanx of great toe
N: deep peroneal nerve
A: extends big toe; extends foot at subtalar and transverse tarsal joint

Answer 4

Extensor hallucis longus

Question 5

O: calcaneum
I: by four tendons into the proximal phalanx of big toe and long extensor tendons to second, third, and fourth toes
N: deep peroneal nerve
A: extends toes

Answer 5

Extensor digitorum brevis