Muscles of the Lower Legs and Feet

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

• Sciatic nerve

• Deep fibular nerve

• Superficial femoral nerve

• Tibial nerve

What is the primary action of the tibialis anterior muscle?

• Plantarflexion and eversión of the foot

• Dorsiflexion and inversion of the foot

• Eversion and rotation of the foot

• Flexion and extension of the toes

What is the arterial supply for the muscles in the anterior compartment of the leg?

• Fibular artery

• Tibial artery

• Popliteal artery

• Femoral artery

Where does the extensor digitorum longus originate?

• Lateral condyle of the tibia and medial surface of the fibula

• Medial condyle of the tibia and lateral surface of the fibula

• Anterior surface of the femur

• Posterior surface of the fibula

What is the action of the extensor digitorum longus?

• Flexion of the lateral four toes and plantar flexion of the foot

• Extension of the lateral four toes and dorsiflexion of the foot

• Plantarflexion of the foot

• Inversion and eversión of the foot

Where does the extensor hallucis longus muscle attach?

• Base of the proximal phalanx of the great toe

• Base of the distal phalanx of the great toe

• Base of the middle phalanx of the great toe

• Base of the metatarsal of the great toe

What is the primary action of the extensor hallucis longus muscle?

• Flexion of the great toe

• Extension of the great toe and dorsiflexion of the foot

• Abduction of the great toe

• Plantarflexion of the foot

What is footdrop?

• A condition where the foot is permanently flexed

• An inability to dorsiflex the foot at the ankle joint

• A condition where the foot is permanently inverted

• An inability to plantarflex the foot at the ankle joint

What nerve damage typically causes footdrop?

• Tibial nerve

• Common fibular nerve

• Deep fibular nerve

• Superficial fibular nerve

Which muscles are located in the lateral compartment of the leg?

• Tibialis Anterior and Soleus

• Gastrocnemius and Soleus

• Fibularis Longus and Fibularis Brevis

• Rectus Femoris and Vastus Lateralis