Anterior Leg Flashcards Preview

VCU Anatomy Test 2 > Anterior Leg > Flashcards

Flashcards in Anterior Leg Deck (13):
1

What holds the tendons of the leg muscles in place around the ankle?

superior & inferior extensor retinacula

2

Tibialis Anterior
I:

I: medial cuneiform, base of 1st metatarsal

3

Tibialis Anterior
Inner:
Function:

Innerv: deep fibular n.

Function:
1. extension of toes 2-5
2. dorsiflexion of ankle

4

Extensor Digitorum Longus
Inner:
Function:

Innerv: deep fibular n.

Function:
1. extension of toes 2-5
2. dorsiflexion of ankle

5

Extensor Hallucis Longus
O:

O: middle part of the anterior fibula, interosseous membrane

6

Extensor Hallucis Longus
Inner:
Function:

Innerv: deep fibular n.

Function:
1. extension of great toe
2. dorsiflexion of ankle

7

What muscles is a separated part of Extensor Digitorum Longus, and shares its synovial sheath?

Fibularis Tertius

8

What branch of the popliteal a. supplies the anterior compartment of the leg?

anterior tibial a.

9

Which a. descends between tibialis & extensor digitorum longus?

anterior tibial a.

10

What does the anterior tibial a. become as it emerges below inferior extensor retinaculum?

dorsalis pedis a.

11

Which nerve enters the anterior compartment between fibularis longus & the neck of the fibula, and then travels with the anterior tibial a.?

deep fibular n.

12

What is the clinical condition described?
*an inability to actively dorsiflex the foot resulting from injury to the deep fibular n.

foot drop

13

What happens if the common fibular n. is injured at the fibular neck?

an inability to evert the foot results, as well as foot drop