Muscles of Deep Posterior Compartment

Question 1

popliteus origin

Answer 1

lateral femoral condyle

Question 2

popliteus insertion

Answer 2

proximal 1/3 posterior tibia (proximal to soleal line)

Question 3

popliteus action

Answer 3

medial rotation of tibia on femur, lateral rotation of femur on tibia

Question 4

popliteus innervation

Answer 4

tibial nerve

Question 5

popliteus blood supply

Answer 5

popliteal artery

Question 6

flexor digitorum longus origin

Answer 6

middle 1/3 posterior surface of tibia

Question 7

flexor digitorum longus insertion

Answer 7

distal phalanges of lateral 4 toes

Question 8

flexor digitorum longus action

Answer 8

flex distal phalynx toes 2-5, weak plantar flexion and IV ankle

Question 9

flexor digitorum longus innervation

Answer 9

tibial nerve

Question 10

flexor digitorum longus blood supply

Answer 10

posterior tibial artery

Question 11

flexor hallucis longus origin

Answer 11

middle 1/3 posterior surface of fibula

Question 12

flexor hallucis longus insertion

Answer 12

distal phalynx of big toe

Question 13

flexor hallucis longus action

Answer 13

flex 1st distal phalynx, weak plantar flexion of ankle

Question 14

flexor hallucis longus innervation

Answer 14

tibial nerve

Question 15

flexor hallucis longus blood supply

Answer 15

posterior tibial artery

Question 16

tibialis posterior origin

Answer 16

proximal 2/3 posterior surface of tibia, proximal 2/3 fibula & interosseous membrane

Question 17

tibialis posterior insertion

Answer 17

navicular cuneiforms, cuboid, bases of metatarsals 2-4

Question 18

tibialis posterior action

Answer 18

plantar flexion, eversion

Question 19

tibialis posterior innervation

Answer 19

tibial nerve

Question 20

tibialis posterior blood supply

Answer 20

posterior tibial artery