Posterior Crural Muscles: Superficial Group

Question 1

What is the origin of the gastrocnemius?

Answer 1

medial and lateral condyles of femur

Question 2

What is the origin of the soleus?

Answer 2

proximal fibula, soleol line of tibia

Question 3

What is the origin of the plantaris?

Answer 3

distal lateral femur

Question 4

What is the insertion of the gastrocnemius?

Answer 4

calcaneus (via calcaneal tendon)

Question 5

What is the insertion of the soleus?

Answer 5

calcaneus (via calcaneal tendon)

Question 6

What is the insertion of the plantaris?

Answer 6

calcaneus

Question 7

What is the action of the gastrocnemius?

Answer 7

plantar flex foot; flex leg (knee joint)

Question 8

What is the action of the soleus?

Answer 8

plantar flex foot

Question 9

What is the action of the plantaris?

Answer 9

plantar flex foot, flex leg (knee joint)

Question 10

What nerve innervates the gastrocnemius, soleus and the plantaris?

Answer 10

tibial nerve