Posterior Leg - Superficial

Question 1

Name the two layers of the posterior leg, name the 7 muscles according to the layer and then state what the two layers are seperated by?

Answer 1

1. Superficial
   * Gastrocnemius
   * Plantaris
   * Soleus
2. Deep
   * Popliteus
   * Tibialis Posterior
   * Flexor Digitorum Longus
   * Flexor Hallucis Longus
   * Band of band of fascia

Question 2

The calcaneal reflex tests spinal roots…

Answer 2

• S1-S2

Question 3

Name the two two bursae (fluid filled sacs) associated with the calcaneal tendon:

Answer 3

• Subcutaneous calcaneal bursa
• Deep bursa of the calcaneal tendon

Question 4

Gastrocnemius:

• Attachment:
• Actions (2)
• Innervation:
• Blood Supply:

Answer 4

• Attachment: Lateral head - lateral femoral condyle / medial head - medial femoral condyle - calcaneus via the calcaneal tendon
• Actions: Plantarflexion and knee flexion
• Innervation: Tibial nerve
• Blood supply: Posterior tibial

Question 5

Plantaris:

• Description (simple)
• Attachment:
• Action: (2)
• Innervation:
• Blood supply:

Answer 5

• Description: Small muscle with long tendon
• Attachment: Lateral supracondylar line - calcaneus via calcaneal tendon
• Actions: Plantarflexion and knee flexion
• Innervation: Tibial
• Blood supply: Posterior tibial

Question 6

Soleus is ………… to the gastrocnemius

Answer 6

• Deep

Question 7

Soleus:

• Attachment:
• Action
• Innervation
• Blood supply

Answer 7

• Attachment: Soleal line of tibia and proximal fibular area (posterior tibia, interosseous membrane, fibula) –> calcaneus via calcaneal tendon
• Actions: Plantarflexion
• Innervation: Tibial
• Blood supply: Posterior Tibial