Unit 5 - Lower Limb: Popliteal Fossa (Ex. IV)

Question 1

S-M boundary

Answer 1

semimembranosus

Question 2

S-L boundary

Answer 2

biceps femoris

Question 3

I boundary

Answer 3

M and L heads of gastrocnemius

Question 4

contents

Answer 4

embedded w/in popliteal fat

popliteal a. and v. (and genicular branches)
popliteal lymph nodes
tibial n.
common fibular n.

Question 5

What happens @ the S apex of the fossa?

Answer 5

sciatic n. splits into its terminal branches:

• tibial n. descends into P leg compartment w/ popliteal vessels
• common fibular n. courses L along edge of biceps femoris to enter L leg compartment

Question 6

location

Answer 6

P to knee joint