Beginner Common Fibular Nerve Quiz

Q1. The common fibular nerve is a terminal component of which nerve?

• Obturator nerve
• Superior gluteal nerve
• Sciatic nerve
• Femoral nerve

Q2. Which root values are usually carried by the common fibular nerve?

• L4 through S2
• L1 through L3
• L2 through L4
• S2 through S4

Q3. Which muscle in the posterior thigh receives innervation from the common fibular component of the sciatic nerve?

• Long head of biceps femoris
• Semimembranosus
• Semitendinosus
• Short head of biceps femoris

Q4. Around which structure does the common fibular nerve become particularly superficial?

• Medial malleolus
• Neck of the fibula
• Tibial tuberosity
• Ischial spine

Q5. What are the two major terminal branches of the common fibular nerve?

• Tibial and sural nerves
• Medial and lateral plantar nerves
• Superficial fibular and deep fibular nerves
• Saphenous and obturator nerves

Q6. Which terminal branch supplies the anterior compartment of the leg?

• Superficial fibular nerve
• Deep fibular nerve
• Saphenous nerve
• Sural nerve

Q7. Which terminal branch supplies the lateral compartment of the leg?

• Tibial nerve
• Saphenous nerve
• Deep fibular nerve
• Superficial fibular nerve

Q8. Which motor deficit is classically associated with a common fibular nerve lesion near the fibular neck?

• Foot drop
• Loss of knee extension
• Loss of plantarflexion only
• Loss of hip adduction

Q9. Why is the common fibular nerve vulnerable to external compression near the knee?

• It runs through the obturator canal
• It is enclosed within the tibia
• It lies inside the femoral canal
• It lies superficially around the fibular neck

Q10. Which description best summarizes the common fibular nerve?

• An S2 through S4 nerve supplying gluteus maximus
• An L1 through L2 cutaneous nerve supplying the groin
• An L2 through L4 lumbar plexus nerve supplying quadriceps
• An L4 through S2 sciatic component that divides into superficial and deep fibular nerves