Lateral Crural Muscles

Question 1

Fibularis (peroneus) longus

Answer 1

(L4-S1)

attachments- from the head & proximal 2/3rds of the fibula to the lateral aspects of the 1st metatarsal & adjacent medial cuneiform (crosses plantar surface of foot)

actions- everts foot, plantar flexes ankle, and depresses 1st metatarsal head

innervation- superficial fibular nerve

Question 2

Fibularis (peroneus) brevis

Answer 2

(L4-S1)

attachments- from the distal 2/3rds of the fibula to the lateral base of the 5th metatarsal

actions- everts foots, plantar flexes ankle

innervation- superficial fibular nerve