Anterior and Lateral Leg

Question 1

Fibular trochlea

Answer 1

ridge on the lateral surface of the calcaneus

Question 2

Cuboid bone articulates with what posteriorly?

Answer 2

Calcaneus

Question 3

Cuboid bone articulates with what anteriorly?

Answer 3

4th and 5th metatarsals

Question 4

Cuboid bone articulates with what medially?

Answer 4

Navicular and lateral cuneiform

Question 5

What does crural mean?

Answer 5

Leg

Question 6

Crural (leg) fascia

Answer 6

Deep fascia of the leg that is continuous with the fascia lata

Question 7

What does the crural fascia become distally?

Answer 7

It thickens to form the extensor retinaculum

Question 8

What is the other name for the anterior compartment of the leg? (think function)

Answer 8

The dorsiflexor/extensor compartment

Question 9

Where is the anterior compartment of the leg located?

Answer 9

Anterior to the interosseous membrane of the tibia and fibula

Question 10

What muscles make up the anterior compartment of the leg? (4)

Answer 10

Tibialis anterior, extensor hallucis longus, extensor digitorum longus, fibularis tertius

Question 11

Action of tibialis anterior?

Answer 11

dorsiflexion and inversion of the ankle

Question 12

Origin and insertion of tibialis anterior?

Answer 12

O: Tibia

I: Medial surface of the first medial cuneiform and first metatarsal base

Question 13

Action of the extensor digitorum longus?

Answer 13

Extend lateral 4 digits of the foot and dorsiflexion

Question 14

Action of the fibularis tertius?

Answer 14

dorsiflexion and eversion

Question 15

Where in association to tibialis anterior is extensor hallucis longus

Answer 15

Lateral

Question 16

Action of extensor hallucis longus?

Answer 16

extend the hallux and dorsiflexion

Question 17

Nerve of the anterior compartment of the leg?

Answer 17

deep fibular nerve

Question 18

Blood supply to the anterior compartment?

Answer 18

anterior tibial artery

Question 19

Do the anterior tibial artery and deep fibular nerve run together?

Answer 19

Yes

Question 20

Lateral compartment contains which muscles?

Answer 20

Fibularis longus and fibularis brevis

Question 21

Action of fibularis longus muscle?

Answer 21

eversion and plantarflexion

Question 22

Attachments of fibularis longus muscle?

Answer 22

Head and superolateral 2/3 of fibula, passes inferior just posterior to lateral malleolus, and run obliquely and distally across the sole of the foot to attach distally to the first metatarsal and medial cuneiform bone

Question 23

Name of the groove for fibularis longus?

Answer 23

cuboid sulcus

Question 24

Action of fibularis brevis muscle?

Answer 24

eversion and plantarflexion

Question 25

What nerve is disrupted in foot drop?

Answer 25

The deep fibular nerve

Question 26

What nerve innervates most of the dorsum of the foot?

Answer 26

The superficial fibular nerve

Question 27

What nerve innervates the space between the first and second toe?

Answer 27

The deep fibular nerve