Posterior leg

Question 1

What is the function of the posterior compartment?

Answer 1

plantar flexion

Question 2

Which arteries supply the posterior compartment?

Answer 2

posterior tibial, fibular artery

Question 3

What nerve innervates the posterior compartment?

Answer 3

tibial nerve

Question 4

what structures are within the tibial bundle?

Answer 4

posterior tibial a. v. and n.

Question 5

What structures are within the fibular bundle?

Answer 5

fibular a. v.

Question 6

Function of the popliteus muscle?

Answer 6

medially rotates the tibia in order to “unlock” the knee

Question 7

symptoms of popliteal tendinitis?

Answer 7

pain when initiating walking

Question 8

Function of the gastrocnemius?

Answer 8

knee flexion when ankle is dorsiflexed

Question 9

what forms calcaneus tendon?

Answer 9

gastrocnemius

Question 10

function of the soleus?

Answer 10

workhorse of plantar flexion

Question 11

Function of the plantaris?

Answer 11

stretch reflex

Question 12

which posterior compartment is loosely part?

Answer 12

superficial

Question 13

what occurs when there is swelling in the deep posterior compartment?

Answer 13

posterior compartment syndrome which causes impeded blood flow, necrosis, poor pulse

Question 14

function of tibialis posterior?

Answer 14

plantar flexion, maintaining arch of foot

Question 15

Function of flexor digitorum longus?

Answer 15

flexor of digits 2-5

Question 16

Function of the flexor hallucis longus?

Answer 16

flexor of sustentaculum tali, provides thrust during lift off

Question 17

where does the flexor hallucis longus attach?

Answer 17

distal phalange of big toe

Question 18

where does the posterior tibial artery stem from?

Answer 18

popliteal artery

Question 19

what branch does the posterior tibial artery give off?

Answer 19

fibular artery

Question 20

what structure would be injured during a tibial fracture?

Answer 20

posterior tibial artery

Question 21

where does the tibial nerve stem from?

Answer 21

popliteal nerve

Question 22

what does the tibial nerve supply?

Answer 22

posterior compartment

Question 23

what would an injury to tibial nerve present as?

Answer 23

extreme lateral rotation of hip to avoid dorsiflexion