Anterior Leg Flashcards
1
Q
What are the four muscles in the anterior leg?
A
Tibialis anterior
Extensor digitorum longus
Extensor hallucis longus
Fibularis tertius
2
Q
What is the origin and insertion of the tibialis anterior?
A
Origin: Lateral surface of the proximal tibia
Insertion: Medial cuneiform and base of 1st metatarsal
3
Q
What is the innervation of the anterior leg muscles?
A
Deep fibular nerve (L4, L5)
4
Q
What are the two main actions of the anterior leg?
A
Dorsiflex the ankle
Extensors of toes
5
Q
What is foot drop?
A
A clinical sign indicating paralysis of the anterior leg muscles
6
Q
What is the most common cause of foot drop?
A
Damage to the common fibular nerve
deep fibular nerve arises from the common fibular nerve
