Exam 4 Muscles of the leg

Question 1

Muscles of the anterior leg compartment (4)

Answer 1

1. Tibialis Anterior
2. Extensor digitorum longus
3. Fibularis tertius
4. Extensor hallucis longus

Question 2

Muscles of the anterior leg compartment are all supplied by the:

Answer 2

Deep fibular nerve

Question 3

• Most medial muscle of the anterior leg

- Lies along the surface of the lateral aspect of the shaft of the tibia

Answer 3

Tibialis Anterior

Question 4

• Muscle lies lateral & partly deep to the tibialis anterior
• In the region of the ankle, it gives off four separate tendons which pass to the lateral 4 digits

Answer 4

Extensor digitorum longus

Question 5

• Muscle is a separate portion of the extensor digitorum longus, found on its lateral aspect
• Is a variable muscle, missing in a small percentage of the population

Answer 5

Fibularis Tertius

Question 6

• The tendon of this muscle lies between the tendons of the tibialis anterior & the extensor digitorum longus

Answer 6

Extensor Hallucis Longus