Q22 Peroneus Longus

Question 1

give the position of peroneus longus and name the other muscles that share the position.

Answer 1

long thin muscle situated in the lateral compatment of the leg, superficial to Peroneus brevis.
Runs behind the lateral malleolus passing deep to the superficial peroneal retinaculum.

Question 2

state the attachment of peroneus longus

Answer 2

proximal - lateral condyle of the tibia and upper 2-thirds of the lateral surface of the fibula. lateral side of head of fibula.
distal - plantar and lateral surface of the medial cuneiform and base of the 1st metatarsal

Question 3

State the action of this muscle

Answer 3

Eversion of the foot and Plantarflexion of the ankle Supports the lateral longitudinal arch of the foot

Question 4

Give the nerve supply

Answer 4

Superficial peroneal L5 S1

Question 5

Give a functional activity for this muscle

Answer 5

standing on one leg, walking on uneven ground