Anteriolateral Leg and Dorsal Foot Muscles

Question 1

Tibialis Anterior M.

Answer 1

Action: Dorsiflex the foot at the ankle and invert foot

Innervation: Deep fibular N.

Blood Supply: Anterior tibial A.

Question 2

Extensor Hallucis Longus M.

Answer 2

Action: Extend hallux, dorsiflex the foot at ankle

Innervation: Deep fibular N.

Blood Supply: Anterior tibial A.

Question 3

Extensor digitorum longus M.

Answer 3

Action: Extend digits 2-5 and dorsiflex foot

Innervation: Deep fibular N.

Blood Supply: Anterior tibial A.

Question 4

Fibularis Tertius M.

Answer 4

Action: Dorsiflex foot, assist in eversion of foot

Innervation: Deep fibular N

Blood Supply: anterior tibial A.

Question 5

Fibularis Longus M.

Answer 5

Action: evert foot, assist in plantarflexion

Innervation: Superficial fibular N.

Blood Supply: Anterior tibial A./ peroneal A.

Question 6

Fibularis Brevis M.

Answer 6

Action: Evert foot, assist in plantar flexion

Innervation: Superficial fibular N.

Blood Supply: Fibular A. / Peroneal A.