Posterior Leg, Tibial Nerve and Branches Flashcards
1
Q
What are the groups of muscles in the posterior compartment of the leg?
A
Superficial group
Deep group
2
Q
What muscles are in the superficial group of the posterior compartment of the leg?
A
Gastrocnemius
Plantaris
Soleus
3
Q
What is the action of gastrocnemius?
A
Flexes the ankle and knee
4
Q
What nerve innervates gastrocnemius?
A
The tibial nerve
5
Q
What is the action of plantaris?
A
Weakly assists plantarflexion
Important in proprioception
6
Q
Identify the structures labelled 1-4
A
1- Medial and lateral heads of gastrocnemius
2- Calcaneal tendon
3- Plantaris muscle
4- Soleus muscle
7
Q
Which nerve innervates all the muscles of the posterior compartment of the leg?
A
The tibial nerve
8
Q
Which artery supplies the posterior compartment of the leg?
A
Posterior tibial artery
