Deep Posterior Compartment of Lower Leg

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

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

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

Question 7

tibialis posterior action

Answer 7

inversion
(plantarflexion)

Question 8

tibialis posterior innervation

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

bases of distal phalanges, digits 2-5

Question 11

flexor digitorum longus action

Answer 11

flexion of digits 2-5
(plantarflexion and inversion)

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

Question 15

flexor hallucis longus action

Answer 15

flexion of hallux
(plantar flexion and inversion)

Question 16

flexor hallucis longus innervation

Answer 16

tibial