Anatomy of the Tarsal Tunnel

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Questions and Answers

What is the composition of the roof of the tarsal tunnel?

  • Synovial
  • Bony
  • Fibrous (correct)
  • Cartilaginous

Which of the following is NOT a structure that passes through the tarsal tunnel?

  • Anterior tibial artery
  • Peroneus brevis tendon (correct)
  • Flexor digitorum longus tendon
  • Posterior tibial nerve

What is the likely cause of gradual onset of tibial nerve entrapment in the tarsal tunnel?

  • Wearing high heels
  • Overpronation (correct)
  • Overuse of the ankle joint
  • Sudden trauma to the ankle

Which diagnostic test is used to assess tibial nerve entrapment in the tarsal tunnel?

<p>Dorsiflexion Eversion Test (D)</p> Signup and view all the answers

What is a potential treatment for tibial nerve entrapment in the tarsal tunnel?

<p>Orthotics and nerve gliding (D)</p> Signup and view all the answers

Which bony structure forms the posterior aspect of the medial malleolus, where the tibial nerve is prone to entrapment?

<p>Tibia (C)</p> Signup and view all the answers

What is the result of the positive Dorsiflexion Eversion Test in relation to tibial nerve entrapment?

<p>It compresses the posterior tibial nerve (B)</p> Signup and view all the answers

Which of the following tendons is NOT located within the tarsal tunnel?

<p>Peroneus longus (A)</p> Signup and view all the answers

What is the relationship between the posterior tibial nerve and the medial and lateral plantar branches in relation to entrapment?

<p>The medial and lateral plantar branches are involved in entrapment of the posterior tibial nerve (A)</p> Signup and view all the answers

What is the likelihood of a simultaneous positive result on the SLR and DF tests in relation to tibial nerve entrapment?

<p>It is highly likely (B)</p> Signup and view all the answers

What is the primary role of the fibrous flexor retinaculum in the tarsal tunnel?

<p>To reduce friction between the tendons and the bony floor (A)</p> Signup and view all the answers

Which of the following structures is most likely to be compressed in the tarsal tunnel, leading to gradual onset of entrapment?

<p>Posterior tibial nerve (C)</p> Signup and view all the answers

What is the primary mechanism by which overpronation contributes to tibial nerve entrapment in the tarsal tunnel?

<p>Increased pressure on the posterior tibial nerve due to altered foot biomechanics (B)</p> Signup and view all the answers

What is the significance of the medial and lateral plantar branches in relation to tibial nerve entrapment in the tarsal tunnel?

<p>They may be involved in entrapment, but their involvement is less common (A)</p> Signup and view all the answers

Which of the following treatments is likely to address the underlying cause of tibial nerve entrapment in the tarsal tunnel?

<p>Orthotics to reduce overpronation (B)</p> Signup and view all the answers

What is the primary mechanism by which the posterior tibial nerve becomes entrapped within the tarsal tunnel?

<p>Overpronation causing the medial malleolus to compress the nerve (B)</p> Signup and view all the answers

Which of the following structures is most likely to be affected by compression of the posterior tibial nerve within the tarsal tunnel?

<p>Medial and lateral plantar branches (C)</p> Signup and view all the answers

What is the primary component of the floor of the tarsal tunnel?

<p>Tibia and talus bones (C)</p> Signup and view all the answers

What is the significance of the positive Dorsiflexion Eversion Test in relation to tibial nerve entrapment?

<p>It is a provocative test for tibial nerve entrapment (D)</p> Signup and view all the answers

Which of the following treatments is likely to address the symptoms of tibial nerve entrapment in the tarsal tunnel?

<p>Orthotics and nerve gliding exercises (B)</p> Signup and view all the answers

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