Lower Limb - Anterior And Lateral Compartment Leg

Question 1

Which muscle(s) are innervated by the superficial fibular nerve?

Answer 1

Lateral compartment of leg - Fibularis Longus and Brevis

Question 2

1. 1. Name the muscles of the lateral compartment

1. 2. Name their function

Answer 2

1. 1. Fibularis Longus and Brevis
2. 2.

FL - Eversion, supports lateral and transverse arch (inserts medially on medial cuneiform), assists PF
FB - Eversion

Question 3

Which muscle(s) insert medially on the foot and provide support to the arches?

Answer 3

Tibialis Posterior, Tibialis Anterior and Fibularis Longus

Question 4

1. 1. Name the muscles of the anterior compartment of the leg
2. 2. Name their action
3. 3. Innervation

Answer 4

1.1. Tibialis Anterior, Extensor Hallucis Longus, Extensor Digitorum Longus, Fibularis Tertius

1.2.
TA - DF, inversion and supports medial arch of foot
EHL - Extension of 1st toe, assists DF
EDL - Extension of lateral 4 toes, assists DF
FT - Eversion, assists DF

1.3. Deep fibular nerve (branch of common fibular)