Lecture 15: Anterior/Lateral Leg and Dorsum of Foot

Question 1

crural fascia

Answer 1

continuous with fasica lata

Question 2

anterior compartment of leg actions

Answer 2

dorsiflexion of foot and extension of toes

Question 3

anterior compartment of leg nerve supply

Answer 3

deep fibular n.

Question 4

anterior compartment of leg arterial supply

Answer 4

anterior tibial a.

Question 5

lateral compartment of leg actions

Answer 5

eversion of foot and plantar flexion

Question 6

lateral compartment of leg nerve supply

Answer 6

superficial fibular a.

Question 7

posterior compartment of leg actions

Answer 7

flexion of foot and flexion of toes

Question 8

posterior compartment nerve supply

Answer 8

tibial n.

Question 9

posterior compartment arterial supply

Answer 9

posterior tibial a.

Question 10

tibialis anterior attachments

Answer 10

proximal: tibia and adjacent crural fascia
distal: plantar aspect of 1st cuneiform and base of metatarsal 1

Question 11

tibialis anterior innervation

Answer 11

deep fibular n.

Question 12

tibialis anterior action

Answer 12

inversion, dorsiflexion of foot

Question 13

extensor hallucis longus attachments

Answer 13

proximal: fibula and interosseous membrane
distal: distal phalanx of great toe

Question 14

extensor hallucis longus innervation

Answer 14

deep fibular n.

Question 15

extensor hallucis longus actions

Answer 15

dorsiflexion of foot, extension of great toe

Question 16

extensor digitorum longus attachments

Answer 16

proximal: fibula, interosseous membrane and lateral tibial condyle
distal: middle and distal phalanges of digits 2-5

Question 17

extensor digitorum longus innervation

Answer 17

deep fibular n.

Question 18

extensor digitorum longus action

Answer 18

extension of digits 2-5, dorsiflexion of foot

Question 19

fibularis tertius attachments

Answer 19

proximal: fibula and interosseous membrane
distal: base of fifth metatarsal

Question 20

fibularis tertius innervation

Answer 20

deep fibular n.

Question 21

fibularis tertius actions

Answer 21

dorsiflexion and eversion of foot

Question 22

fibularis longus attachments

Answer 22

proximal: fibula
distal: base of metatarsal 1

Question 23

fibularis longus innervation

Answer 23

superficial fibular n.

Question 24

fibularis longus actions

Answer 24

eversion and plantar flexion of foot

Question 25

fibularis brevis attachments

Answer 25

proximal: fibula distal: tuberosity of fifth metatarsal

Question 26

fibularis brevis innervation

Answer 26

superficial fibular n.

Question 27

fibularis brevis actions

Answer 27

eversion and plantar flexion of foot

Question 28

extensor hallucis brevis innervation

Answer 28

deep fibular n.

Question 29

extensor hallucis brevis actions

Answer 29

extension of great toe

Question 30

extensor digitorum brevis innervation

Answer 30

deep fibular n.

Question 31

extensor digitorum brevis actions

Answer 31

extension of digits 2-4

Question 32

common fibular n. branches

Answer 32

deep fibular n. superficial fibular n.

Question 33

branches of popliteal a.

Answer 33

anterior tibial a. (becomes dorsalis pedis) posterior tibial a.

Question 34

posterior tibial a. branches

Answer 34

fibular a. medial plantar a. lateral plantar a.