Posterior Compartment of the Leg: Superficial

1

• Triceps surae gastrocnemius

• Triceps surae soleus

• Plantaris

2

• Triceps surae gastrocnemius

• Triceps surae soleus

• Plantaris

3

• Triceps surae gastrocnemius

• Triceps surae soleus

• Plantaris

What is the origin of 1?

• Femur (medial and lateral epicondyles)

• Fibula (head and neck, posterior surface) and tibia (soleal line via a tendinous arch)

• Femur (lateral epicondyle, proximal to lateral head of gastrocnemius)

What is the origin of 2?

• Femur (medial and lateral epicondyles)

• Fibula (head and neck, posterior surface) and tibia (soleal line via a tendinous arch)

• Femur (lateral epicondyle, proximal to lateral head of gastrocnemius)

What is the origin of 3?

• Femur (medial and lateral epicondyles)

• Fibula (head and neck, posterior surface) and tibia (soleal line via a tendinous arch)

• Femur (lateral epicondyle, proximal to lateral head of gastrocnemius)

What is the insertion of 1?

• Calcaneal tuberosity via the Achilles' tendon

• Calcaneal tuberosity

What is the insertion of 2?

• Calcaneal tuberosity via the Achilles' tendon

• Calcaneal tuberosity

What is the insertion of 3?

• Calcaneal tuberosity via the Achilles' tendon

• Calcaneal tuberosity

What is the innervation of 1?

• Tibial nerve (S1, S2)

• Tibial nerve (S1)

• Tibial nerve (S2)

• Tibial nerve (S1-S3)