Lower Limb 4 - Station 1 and 2

Question 1

3 muscles that boundary the popliteal fossa

Answer 1

biceps femoris long head –> superolaterally
semimembranous –> superomedially
gastrocnemius –> inferiorly

Question 2

2 branches of sciatic nerve in the popliteal fossa

Answer 2

tibial and common fibular

Question 3

vein and artery in the popliteal fossa

Answer 3

popliteal vein and artery

Question 4

which is most superficial, the popliteal vein or artery

Answer 4

popliteal vein

Question 5

popliteal veon drains into the _______ vein

Answer 5

femoral

Question 6

origin and branches of popliteal artery

Answer 6

external iliac –> femoral –> popliteal –> gives off anterior tibial and becomes tibioperoneal –> posterior tibial and fibular

Question 7

contents of the popliteal fossa

Answer 7

1. fat
2. posterior cutaneous nerve of thigh
3. tibial and common fibular nerves
4. popliteal artery and vein
5. small saphenous vein termination
6. popliteal lymph nodes and lymph vessels

Question 8

what does the femoral artery pass through

Answer 8

the adductor hiatus of adductor magnus

Question 9

what is the largest leg compartment

Answer 9

posterior

Question 10

muscles of superficial posterior leg compartment

Answer 10

gastrocnemius, soleus and plantaris

Question 11

innervation of the gastrocnemius

Answer 11

tibial nerve

Question 12

small muscle with very long tendon in superficial posterior

Answer 12

plantaris

Question 13

functions of plantaris

Answer 13

weakly assists gastrocnemius with plantarflexion and PROPRIOCEPTION

Question 14

two heads of gastrocnemius

Answer 14

medial and lateral

Question 15

distal tendon on gastrocnemius

Answer 15

calcaenal

Question 16

what 2 muscles are located deep to the gastrocnemius

Answer 16

soleus and plantaris

Question 17

innervation of posterior leg compartment

Answer 17

tibial nerve

Question 18

arterial supply of posterior leg compartment

Answer 18

popliteal –> posterior tibial

Question 19

two branches of sciatic nerve

Answer 19

tibial and common fibular nerves