Leg Muscles

Which muscle is the primary dorsiflexor of the foot?

• Tibialis anterior

• Fibularis longus

• Soleus

• Gastrocnemius

Which nerve innervates the muscles of the anterior compartment of the leg?

• Tibial nerve

• Superficial fibular nerve

• Deep fibular nerve

• Obturator nerve

Which muscle is responsible for unlocking the knee joint?

• Gastrocnemius

• Soleus

• Popliteus

• Tibialis posterior

The gastrocnemius muscle originates from which structure?

• Medial and lateral condyles of the femur

• Interosseous membrane

• Fibular head

• Tibial shaft

What is the primary action of the fibularis longus muscle?

• Dorsiflexion of the foot

• Inversion of the foot

• Eversion of the foot

• Toe extension

Which of the following muscles inserts onto the calcaneus via the Achilles tendon?

• Flexor digitorum longus

• Tibialis anterior

• Gastrocnemius

• Popliteus

The tibialis posterior muscle is primarily responsible for which movement?

• Foot dorsiflexion

• Foot eversion

• Foot inversion

• 1. Toe flexion

Which artery supplies the posterior compartment of the leg?

• Anterior tibial artery
  
  

• Posterior tibial artery

• Fibular artery
  
  

• Dorsalis pedis artery

The flexor hallucis longus muscle is important for which function?

• Extending the toes

• Plantarflexion of the ankle

• Flexing the big toe

• Inverting the foot

Which muscle is NOT part of the deep posterior compartment of the leg?

• Tibialis posterior

• Flexor digitorum longus

• Soleus

• Flexor hallucis longus