Posterior Compartment of the Leg (Deep)

Question 1

popliteus origin

Answer 1

lateral surface of lateral femoral condyle

Question 2

popliteus insertion

Answer 2

soleal (popliteal) line of tibia

Question 3

popliteus action

Answer 3

unlocks knee from screw home mechanism

Question 4

popliteus innervation

Answer 4

tibial

Question 5

tibialis posterior origin

Answer 5

upper half of posterior tibia, fibula, and interosseous membrane

Question 6

tibialis posterior insertion

Answer 6

navicular tuberosity
most of the mid foot: cuneiforms, cuboid, and bases of metatarsals 2-4 (plantar surfaces)

Question 7

tibialis posterior action

Answer 7

inversion

Question 8

tibialis posterior innervatio

Answer 8

tibial

Question 9

flexor digitorum longus origin

Answer 9

middle of posterior surface of tibia, inferior to soleal line

Question 10

flexor digitorum longus insertion

Answer 10

base of distal phalanges, digits 2-5 (plantar surface)

Question 11

flexor digitorum longus action

Answer 11

flexion of digits 2-5

Question 12

flexor digitorum longus innervation

Answer 12

tibial

Question 13

flexor hallucis longus origin

Answer 13

posterior/inferior fibula and interosseous membrane

Question 14

flexor hallucis longus insertion

Answer 14

base of distal phalanx of hallux (plantar surface)

Question 15

flexor hallucis longus action

Answer 15

flexion of hallux

Question 16

flexor hallucis longus innervation

Answer 16

tibial