Midt - Lec. 15 Leg

Question 1

What are the muscles in the anterior leg compartment?

Answer 1

• Tibialis anterior
• extensor digitorum longus
• fibularis (peroneus) tertius

Question 2

What are the muscles in the posterior leg compartment

Answer 2

Superficial layer: 
- Gastrocnemius
- Soleus
- Plantaris
Deep layer:
- Popliteus
- Tibialis posterior 
- Flexor digitorum longus
- Flexor hallucis longus

Question 3

What are the muscles in the lateral leg compartment

Answer 3

• fibularis (peroneus) longus

- fibularis (peroneus) brevis

Question 4

What are the main actions of the muscles in anterior compartment of the leg

Answer 4

• foot dorsiflexion / toe extension

Question 5

Main actions of posterior compartment of ankle/foot leg

Answer 5

Foot plantarflexion / toe flexion

Question 6

Main actions of the muscles in the lateral compartment of the leg

Answer 6

Foot plantarflexion / foot eversion

Question 7

What three muscles of the utilize the Achilles tendon for their attachment

Answer 7

Gastrocnemius, soleus, plantaris

Question 8

What muscles invert the foot

Answer 8

Inversion of the foot moves the foot toward the tibia

• tibialis anterior
• tibialis posterior

Question 9

What muscles evert the foot

Answer 9

Foot goes toward the fibula

• fibularis longus
• fibularis brevis
• fibularis tertius

Question 10

What is plantar aponeurosis (fascia)

Answer 10

Think plantar fasciitis - it’s a thick band of tissue that covers the bones on bottom of foot