Lab 16: Lateral Compartment of Leg

Question 1

primary origin of peroneus longus

Answer 1

crural fascia and two intermuscular septa

- also originates from head of fibula and the upper 1/2 of the lateral surface of the fibular shaft

Question 2

origin of peroneus brevis

Answer 2

• crural fascia, fibula and intermuscular septa

- osseous origin = distal 2/3 of lateral surface of fibular shaft (partially overlapping the peroneus longus)

Question 3

insertion of peroneus brevis

Answer 3

tuberosity of 5th met

Question 4

distal attachment peroneus longus

Answer 4

medial cuneiform and base of met of 1st toe

Question 5

deep and superficial peroneal n. unite to form …

Answer 5

common peroneal n.

Question 6

where is the common peroneal n. in relation to peroneus longus and brevis?

Answer 6

common peroneal n. courses around the neck of the fibula and into a tunnel between the peroneus longus and fibula

Question 7

n. traveling with the anterior tibial recurrent a. to the knee joint

Answer 7

recurrent articular branch (of common peroneal n.)