W3 - Muscles Of The Foot And Ankle: DEEP POSTERIOR COMPARTMENT

Question 1

Name the 4 muscles in the deep posterior compartment of the foot and ankle

Answer 1

Popliteus
Flexor hallucis longus
Flexor digitorum longus
Tibialis posterior

Question 2

What nerve supplies all the muscles in the deep posterior compartment of the foot and ankle

Answer 2

Tibial nerve L4-S3

Question 3

What action do all the muscles in the deep posterior compartment do apart from the popliteal muscle

Answer 3

Plantar flexion of the foot and ankle

Question 4

Name the proximal and distal attachment sites for the popliteal muscle of the foot and ankle

Answer 4

Proximal
Lateral femoral condyle

Distal
Posterior part of the proximal tibia, just above the soleus line

Question 5

What nerve supplies the popliteal muscle

Answer 5

Tibial nerve L4-S1

Question 6

Proximal and distal attachment sites for the flexor hallucis longus muscle of the foot and ankle

Answer 6

Proximal
Lower 2/3 of the posterior fibula and adjacent interosseous membrane

Distal
Planter surface of the base of the distal phalanx on the big toe

Question 7

Name the nerve that applies the flexor hallucis longus muscle

Answer 7

Tibial nerve S2-S3

Question 8

The proximal and distal attachment sites for the flexor digitorum longus muscle

Answer 8

Proximal
Medial side of the posterior tibia

Distal
4 tendons to the plantar surface of the base of the distal phalanxes of the other 4 toes

Question 9

What nerve supplies the flexor digitorum longus muscle

Answer 9

Tibial nerve S2-S3

Question 10

The proximal distal attachment size for the tibialis posterior muscle

Answer 10

Proximal
Posterior surface of the tibia and fibula

Distal
Navicular tuberosity and medial cuneiform

Question 11

What nerve supplies the tibialis posterior

Answer 11

Tibial nerve L4-L5