Lower Limb 3 And 4

Question 1

Which muscles extend the toes

Answer 1

Extensor digitorum longus and extensor hallucis longus

Question 2

Which nerve supplies the anterior muscles of the leg

Answer 2

The deep fibular

Question 3

Root value of the deep fibular nerve

Answer 3

L4-L5

Question 4

Which artery supples the anterior compartment of the leg

Answer 4

Anterior tibial artery

Question 5

Which muscles dorsiflex the foot

Answer 5

• Tibialis anterior
• extensor hallucis longus
• extensor digitorum longus
• (fibularis tertius)

Question 6

Branches of the common fibular nerve

Answer 6

Superficial and deep

Question 7

Which artery runs midway between the malleoli

Answer 7

Dorsalis pedis

Question 8

Muscles of the lateral compartment of the leg

Answer 8

Fibularis longus and fibularis brevis

Question 9

Which nerve supplies the lateral compartment of the leg

Answer 9

The superficial fibular

Question 10

Footdrop is caused by damage to which nerve

Answer 10

Indicates paralysis in the anterior compartment of the leg due to damage to the common fibular nerve (where deep arises from)

–> posterior leg produces unopposed permanent plantar flexion

Question 11

Name the 4 muscles in the anterior compartment of the leg

Answer 11

• tibialis anterior
• extensor digitorum longus
• extensor hallucis longus
• fibularis tertius