Leg Muscles - Anterior Compartment

Fibularis Tertius Origin

distal 1/3 of anterior fibula and interosseous membrane

Fibularis Tertius Insertion

dorm base of metatarsal 5

Fibularis Tertius Innervation 

deep fibular nerve 

Fibularis Tertius Action

dorsiflexion and eversion of foot

Fibularis Tertius Blood Supply

anterior tibial artery

Tibialis Anterior Origin

lateral condyle of tibia, proximal 2/3 of lateral surface of tibia, interosseous membrane

Tibialis Anterior Insertion 

medial cuneiform and base of metatarsal 1 

Tibialis Anterior Innervation

deep fibular nerve

Tibialis Anterior Actions

dorsiflexion and inversion of foot

Tibialis Anterior Blood Supply 

anterior tibial artery 

Extensor Hallucis Longus Origin

anterior surface of fibula, interosseous membrane

Extensor Hallucis Longus Insertion

base of distal phalanx of hallux

Extensor Hallucis Longus Innervation 

deep fibular nerve 

Extensor Hallucis Longus Action

extension of hallux, dorsiflexion of foot

Extensor Hallucis Longus Blood Supply

anterior tibial artery

Extensor Digitorum Longus Origin 

lateral condyle of tibia, proximal 2/3 of anterior surface of fibula, interosseous membrane 

Extensor Digitorum Longus Insertion

middle and distal phalanges of digits 2 to 5

Extensor Digitorum Longus Innervation

deep fibular nerve

Extensor Digitorum Longus Actions

extension of lateral 4 digits, dorsiflexion of foot

Extensor Digitorum Longus Blood Supply 

anterior tibial artery