Anterolateral Leg & Dorsum of Foot

Question 1

Fibularis Longus Origin

Answer 1

Head and Superior 2/3 of fibuls

Question 2

Fibularis Longus Insertion

Answer 2

Base of 1st metatarsal and medial cuneiform

Question 3

Fibularis Longus Action

Answer 3

Everts foot and weakly plantarflexes ankle

Question 4

Fibularis Longus Innervation

Answer 4

Superficial Fibular nerve (L5,S1,S2)

Question 5

Fibularis Brevis Origin

Answer 5

Inferior 2/3 of lateral surface of fibula

Question 6

Fibularis Brevis Insertion

Answer 6

Dorsal surface of tuberosity on lateral side of base of 5th metatarsal

Question 7

Fibularis Brevis Action

Answer 7

Everts foot and weakly plantarflexes ankle

Question 8

Fibularis Brevis Innervation

Answer 8

Superficial Fibular Nerve (L5, S1, S2)

Question 9

Tibialis Anterior Origin

Answer 9

Lateral condyle and superior half of lateral surface of tibia and interosseus membrane

Question 10

Tibialis Anterior Insertion

Answer 10

Medial and inferior surface of medial cuneiform and base of 1st metatarsal

Question 11

Tibialis Anterior Action

Answer 11

Dorsiflexes ankle and inverts foot

Question 12

Tibialis Anterior Innervation

Answer 12

Deep fibular nerve (L4, L5)

Question 13

Extensor Hallucis Longus Origin

Answer 13

Middle part of anterior surface of fibular and interosseus membrane

Question 14

Extensor Hallucis Longus Insertion

Answer 14

Dorsal aspect of base of distal phalanx of great toe

Question 15

Extensor Hallucis Longus Action

Answer 15

Extends great toe and dorsiflexes ankle

Question 16

Extensor Hallucis Longus Innervation

Answer 16

Deep fibular nerve (L4, L5)

Question 17

Extensor Digitorum Longus Origin

Answer 17

Lateral condyle of tibia and superior three quarters of medial surface of fibula and interosseous membrane

Question 18

Extensor Digitorum Longus Insertion

Answer 18

Middle and distal phalanges of lateral four digits

Question 19

Extensor Digitorum Longus Action

Answer 19

Extends lateral four digits at MTP & IP, dorsiflexes ankle

Question 20

Extensor Digitorum Longus Innervation

Answer 20

Deep fibular nerve (L4, L5)

Question 21

Fibularis Tertius Origin

Answer 21

Inferior third of anterior surface of fibula and interosseous membrane

Question 22

Fibularis Tertius Insertion

Answer 22

Dorsum of base of 5th metatarsal

Question 23

Fibularis Tertius Action

Answer 23

Dorsiflexes TC jt and aids in eversion of subtalar jt

Question 24

Fibularis Tertius Innervation

Answer 24

Deep fibular nerve (L4, L5)

Question 25

Extensor Digitorum Brevis Origin

Answer 25

Calcaneus; interosseous talocalcaneal ligament; stem of inferior extensor retinaculum

Question 26

Extensor Digitorum Brevis Insertion

Answer 26

Long extensor tendons of four medial digits

Question 27

Extensor Digitorum Brevis Action

Answer 27

Aids EDL in extending medial four toes at MTP and IP joints

Question 28

Extensor Digitorum Brevis Innervation

Answer 28

Deep fibular nerve (L5 or S1 or both)

Question 29

Extensor Hallucis Brevis Origin

Answer 29

Calcaneous; interosseous talocalcaneal ligament; stem of inferior extensor retinaculum

Question 30

Extensor Hallucis Brevis Insertion

Answer 30

Dorsal aspect of base of proximal phalanx of great toe

Question 31

Extensor Hallucis Brevis Action

Answer 31

Aids the EHL in extending the great toe at the MTP joint

Question 32

Extensor Hallucis Brevis Innervation

Answer 32

Deep fibular nerve (L5 or S1 or both)