Ankle Anatomy Quiz

1. After a complete calcaneal tendon rupture, force from which major muscle group can no longer be transmitted normally to the heel?

2. Numbness limited mainly to the skin between the first and second toes suggests involvement of which nerve?

3. A so-called high ankle sprain primarily affects which structure?

4. The medial malleolus is the distal projection of which bone?

5. Which structure forms the prominent bony landmark on the lateral side of the ankle?

6. A clinician asks someone to perform repeated plantarflexion with the knee bent, reducing the contribution of the gastrocnemius. Which muscle is being emphasized?

7. Which pair of muscles can work together to invert the foot?

8. Which pair of movements occurs primarily at the talocrural joint?

9. During heel walking, which muscle is a primary ankle dorsiflexor?

10. A person rolls a plantarflexed ankle inward and develops tenderness just anterior to the lateral malleolus. Which ligament is most likely involved?

11. Which three bones form the main articulation of the talocrural, or ankle, joint?

12. A strong forced-eversion injury places the greatest direct stress on which ankle ligament complex?

13. Which tendons pass together behind the lateral malleolus?

14. Where does the calcaneal, or Achilles, tendon insert?

15. A clinician palpates a pulse just posterior to the medial malleolus. Which vessel is being assessed?

16. Which joint is formed directly between the talus and calcaneus and contributes substantially to inversion and eversion?