W3 - Muscles Of The Foot And Ankle: Superficial Posterior Compartment

Question 1

Name the three muscles that make up the superficial posterior compartment of the foot and ankle

Answer 1

Gastrocnemius
Soleus
Plantaris

Question 2

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

Answer 2

Tibial nerve S1 - S2

Question 3

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

Answer 3

Proximal
Media head : posterior surface of the medial femoral condyle
Lateral head : posterior surface of the lateral femoral condyle

Distal
Via the calcaneal tendon to the posterior surface of the calcaneus

Question 4

Name the proximal and distal attachment sites of the soleus muscle of the foot and ankle

Answer 4

Proximal
Soleal line and medial border of the tibia
Posterior aspect of the fibula head, neck and proximal shaft
Tendinous arch between tibia and fibula attachments

Distal
Via calcaneal tendon to the posterior surface of the calcaneus

Question 5

Name the proximal and distal attachment site for the plantaris muscle of the foot and ankle

Answer 5

Proximal
In theory part of the lateral supracondylar line of the femur
Oblique popliteal ligament of the knee

Distal
Via the calcaneal tendon to the posterior surface of the calcaneus