Lateral Leg and Anterior Leg Muscles Block 2

Where does the fibularis longus originate?

Head and lateral surface of the fibula

Where does the fibularis longus insert?

Base of 1st metatarsal and medial cuneiform

What nerve innervates fibularis longus?

Superficial fibular nerve

What is the action of fibularis longus?

Plantarflexion and eversion

Where does the fibularis brevis originate

Lateral surface of fibula

Where does the fibularis brevis insert?

Base of 5th metatarsal

What nerve innervates fibularis brevis?

Superficial fibular nerve

What is the action of fibularis brevis?

Plantarflexion and eversion

Where does tibialis anterior originate?

Superior half of lateral surface of tibia

Where does tibialis anterior insert?

Base of 1st metatarsal and medial cuneiform

What nerve innervates tibialis anterior?

Deep fibular nerve

What is the action of tibialis anterior?

Dorsiflexion and inversion

Where does extensor hallucis longus originate?

Middle surface of fibula and interosseous membrane

Where does extensor hallucis longus insert?

Distal phalanx of digit 1

What nerve innervates extensor hallucis longus?

Deep fibular nerve

What is the action of extensor hallucis longus?

Dorsiflexion and extension of digit 1

Where does extensor digitorum longus originate?

Proximal half of fibula and interosseous membrane

Where does extensor digitorum longus insert?

Middle and distal phalanges of digits 2–5

What nerve innervates extensor digitorum longus?

Deep fibular nerve

What is the action of extensor digitorum longus?

Dorsiflexion and extension of digits 2–5

Where does fibularis tertius originate?

Inferior fibula

Where does fibularis tertius insert?

Base of 5th metatarsal

What nerve innervates fibularis tertius?

Deep fibular nerve

What is the action of fibularis tertius?

Dorsiflexion and eversion