Lower Limb Muscles

Question 1

What is the innervation to the anterior compartment of the lower leg?

Answer 1

Deep fibular nerve

Question 2

What is the innervation to the posterior compartment of the lower leg?

Answer 2

Tibial nerve

Question 3

What is the innervation to the lateral compartment of the lower leg?

Answer 3

Superficial fibular nerve

Question 4

Outline the muscles of the anterior compartment of the leg

Answer 4

Tibialis anterior(extends/everts foot)

Extensor digitorum longus

Extensor hallucis longus

Question 5

Outline the muscles of the posterior compartment of the leg

Answer 5

Superficial group (plantar flex)

• Soleus
• Gastrocnemius (from condyles of femur)
• Plantaris

Deep group (plantar flex, flex toes)

• Flexor digitorum longus
• Tibialis posterior
• Flexor hallucis longus

Question 6

Outline the muscles of the lateral compartment of the leg

Answer 6

(Evert foot)

• Fibularis longus
• Fibularis brevis

Supplied by Superficial fibular nerve

Question 7

What muscle maintains the transverse arch of the foot?

Answer 7

Fibularis longus

Question 8

What passes through the tarsal tunnel?

Answer 8

Tom 
Dick 
And 
Naughty 
Harry

Tibialis posterior, flexor Digitorum longus, posterior tibial Artery and vein, tibial nerve, flexor hallucis longus