Muscles of the leg

Question 1

what muscles are in the anterior compartment?

Answer 1

Tibialis anterior
Extensor hallucis longus
Extensor digitorum longus
Fibularis tertius

Question 2

What innervates the anterior compartment?

Answer 2

Deep fibular nerve

Question 3

Where does tibialis anterior originate?

Answer 3

Tibia - lateral surface, adjacent to interosseous membrane

Question 4

Where does tibialis anterior insert?

Answer 4

Medial cuneiform - medial and inferior surfaces

adjacent surface on base of metatarsal 1

Question 5

Which muscle dorsiflexes the foot and causes inversion?

Answer 5

Tibialis anterior

Question 6

What is the function of tibialis anterior?

Answer 6

dorsiflexion and inversion of foot

and dynamic support of medial arch

Question 7

Which muscle originates from the middle half of the medial surface of the fibula? (and adjacent interosseous membrane)

Answer 7

Extensor hallucis longus

Question 8

Where does extensor hallucis longus insert?

Answer 8

Dorsal surface of base of distal phalanx of great toe

Question 9

Which nerve innervates extensor hallucis longus?

Answer 9

Deep fibular nerve

Question 10

which muscle is responsible for dorsiflexion of foot and extension of great toe?

Answer 10

Extensor hallucis longus

Question 11

Where does extensor digitorum longus originate?

Answer 11

Proximal half of medial surface of fibula

Question 12

Where does extensor digitorum longus insert?

Answer 12

the bases of distal and middle phalanges of lateral four toes

Question 13

what innervates extensor digitorum longus?

Answer 13

Deep fibular nerve

Question 14

What is the function of Extensor digitorum longus?

Answer 14

dorsiflexion of foot and extension of lateral four toes

Question 15

What muscle originates from the distal part of the medial surface of fibula?

Answer 15

fibulas tertius

Question 16

Where does fibulas tertius insert?

Answer 16

Base of metatarsal 5 - dorsomedial surface

Question 17

What innervates fibulas tertius?

Answer 17

Deep fibular nerve

Question 18

What is the function of Fibularis tertius?

Answer 18

dorsiflexion and eversion of foot

Question 19

what are the muscles of the lateral compartment?

Answer 19

Fibulas longus and fibulas brevis

Question 20

Where does fibulas longus originate?

Answer 20

lateral surface of fibular and head of fibula

Question 21

where does fibularis longus insert?

Answer 21

Medial cuneiform and base of metatarsal 1

Question 22

What is the innervation of the lateral compartment?

Answer 22

Superficial fibular nerve L5,S1,S2

Question 23

Which muscle cause eversion and plantar flexion of the foot? (and support arches)

Answer 23

Fibulas longus

Question 24

What is the function of fibularis brevis?

Answer 24

Eversion of foot

Question 25

Where is the origin of fibularis brevis?

Answer 25

shaft of fibula - lower two thirds of lateral surface

Question 26

Where does fibularis brevis insert?

Answer 26

lateral tubercle on base of metatarsal 5