Lower Leg

Question 1

How can the lower leg be divided?

Answer 1

Anterior, posterior, lateral compartment

Question 2

What does the Anterior compartment consist of?

Answer 2

4 muscles that dorsi-flex and invert the foot

Question 3

What is the anterior compartment innervated by?

Answer 3

deep fibular nerve - L4 and S2
Ant tibial artery for blood supply

Question 4

What are the three muscles of the ant compartment

Answer 4

Extensor digitorum longus
Extensor hallicus longus
Tibial is anterior

Question 5

What does the lateral compartment to and what is it’s innervation?

Answer 5

Eversion
Superficial fibular nerve

Question 6

What are the two muscles of the lateral compartment?

Answer 6

Fibularis longus - everts and plantar flexes
Fiburlairs brevis - deeper and shorter

Question 7

What is the post compartment of the legs consist of?

Answer 7

Superrficial and and deep compartment

Muscles plantar flex and invert foot
Blood supply: ant tibial artery
Nerve supply: tibial nerve

Question 8

What are the muscles of the superficial compartment of the posterior leg compartment?

Answer 8

Gastrocnemius - plantar flex and flexion at knee joint
Soleus - plantar flex - sits deep
Plantar is - contribute to plantar flexion @ ankle join & flexion at the knee joint

Question 9

What are the deep muscles and posterior compartment of the leg?

Answer 9

Popliteus - forms base of popliteal fossa, lateral rotation of femur relative to the tibia

Flexor digitorum longus -