Leg And Foot

Question 1

Actions of gastrocnemius

Answer 1

-plantar flexion and flexes leg at knee joint

Question 2

What is a fabella?

Answer 2

Sesamoid bone in the tendon of the gastrocnemius. Possibly provide leverage for lateral head

Question 3

Actions of soleus

Answer 3

Plantarflexion

Question 4

What innervates the posterior leg muscles?

Answer 4

Tibial division of sciatic

Question 5

Actions of plantaris and other uses

Answer 5

• weak plantarflexion and leg flexion
• often absent
• proprioceptive organ for foot position
• used in reconstructive surgery of hand tendons

Question 6

The transverse septa separates the posterior leg into two compartments, what muscles belong to each compartment?

Answer 6

1. Superficial posterior group
   - gastrocnemius
   - soleus
   - plantaris
2. Deep posterior group
   - popliteus
   - flexor hallucis longus
   - flexor digitorum longus
   - tibialis posterior