The Evertors of the Foot

Question 1

Name the Evertors of the Foot

Answer 1

Fibularis (peroneus) Longus, Fibularis (peroneus) Brevis, Fibularis (peroneus)Tertius

Question 2

Fibularis Longus origin

Answer 2

The head and superior two-thirds of the lateral surface of the fibula

Question 3

Fibularis Longus insertion

Answer 3

The base of the first metatarsal and medial cuneiform

Question 4

Fibularis Longus nerve supply

Answer 4

Superficial fibular nerve (L5, S1, S2)
May also receive additional innervation from common or deep fibular nerves

Question 5

Fibularis Longus action

Answer 5

Weak plantarflexor, eversion

Question 6

Fibularis Longus function

Answer 6

Allows sole of foot to face laterally

Question 7

Fibularis Brevis origin

Answer 7

Inferior two-thirds of the lateral fibular surface and anterior and posterior intermuscular septa of leg

Question 8

Fibularis Brevis insertion

Answer 8

Lateral surface of the styloid process of the fifth metatarsal base

Question 9

Fibularis Brevis nerve supply

Answer 9

Superficial fibular nerve (L5, S1, S2)

Question 10

Fibularis Brevis action

Answer 10

Everts the foot, plantarflexes the ankle

Question 11

Fibularis Brevis function

Answer 11

Allows sole of foot to face laterally

Question 12

Fibularis Tertius origin

Answer 12

Distal 1/3rd of the fibula

Question 13

Fibularis Tertius insertion

Answer 13

The base of the fifth metatarsal

Question 14

Fibularis Tertius nerve supply

Answer 14

Deep peroneal nerve

Question 15

Fibularis Tertius action

Answer 15

Assists the extensor digitorum longus to dorsiflex, evert and abduct the foot, assists with dorsiflexion

Question 16

Fibularis Tertius function

Answer 16

Allows the sole of the foot to face laterally