Muscles In The Anterior Leg

Question 1

Origin and insertion of the tibialis anterior

Answer 1

-originates from the lateral surface of the tibia
-attaches to the medial cuneiform and the base of metatarsal 1.
-innervation: deep fibular nerve

Question 2

Origin and insertion of extensor digitorum longus

Answer 2

-originates from the lateral condyle of the tibia and the medial surface of the of the fibular
-fibres converge into a tendon-travels onto the dorsal surface of the foot
-tendon splits into 4 and each tendon inserts into a toe
-innervation: deep fibular nerve

Question 3

Origin and insertion of the fibularis tertius

Answer 3

-originates from the extensor digitorum longus from the medial surface of the fibular.
-tendon descends onto the dorsal surface of the foot and attaches to the 5th metatarsal
-innervation: deep fibular nerve