Superficial Muscles of Posterior Compartment of the Leg

Question 0

Soleus

Answer 0

Origin: Posterior aspect of head of fibula, superior 1/4 of posterior surface of fibula, soleal line, and medial border of tibia

Insertion: Posterior surface of calcaneous via calcaneal tendon

Innervation: Tibial nerve (S1, S2)

Question 1

Gastrocnemius (lateral and medial heads)

Answer 1

Origin: (Lateral head) lateral aspect of lateral condyle of femur; (Medial head) popliteal surface of femur, superior to medial condyle

Insertion: Posterior surface of calcaneous via calcaneal tendon

Innervation: Tibial nerve (S1, S2)

Question 2

Plantaris

Answer 2

Origin: inferior end of lateral supracondylar line of femur and oblique popliteal ligament

Insertion: Posterior surface of calcaneous via calcaneal tendon

Innervation: Tibial nerve (S1, S2)