Deep Posterior Compartment of the Lower Leg

Question 1

Popliteus (origin)

Answer 1

lateral femoral condyle

Question 2

Popliteus (insertion)

Answer 2

proximal 1/3 of posterior tibia

Question 3

Popliteus (action)

Answer 3

medial rotation of tibia, lateral rotation of femur, unlocks knee

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 of posterior tibia

Question 7

Flexor digitorum longus (insertion)

Answer 7

distal phalanges of lateral 4 toes

Question 8

Flexor digitorum longus (action)

Answer 8

flexes toes 2-5, weak plantar flexion, inversion of 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 of posterior fibula

Question 12

Flexor hallucis longus (insertion)

Answer 12

distal phalange of big toe

Question 13

Flexor hallucis longus (action)

Answer 13

flexes big toe, 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 of posterior surface of tibia, proximal 2/3 of fibula, and interosseus membrane

Question 17

Tibialis posterior (insertion)

Answer 17

navicular, cuneiforms, cuboid, base of metatarsals 2-4

Question 18

Tibialis posterior (action)

Answer 18

inversion, plantar flexion, and aDDuction of ankle

Question 19

Tibialis posterior (innervation)

Answer 19

tibial nerve

Question 20

Tibialis posterior (blood supply)

Answer 20

posterior tibial artery