20 Questions
What is the composition of the roof of the tarsal tunnel?
Fibrous
Which of the following is NOT a structure that passes through the tarsal tunnel?
Peroneus brevis tendon
What is the likely cause of gradual onset of tibial nerve entrapment in the tarsal tunnel?
Overpronation
Which diagnostic test is used to assess tibial nerve entrapment in the tarsal tunnel?
Dorsiflexion Eversion Test
What is a potential treatment for tibial nerve entrapment in the tarsal tunnel?
Orthotics and nerve gliding
Which bony structure forms the posterior aspect of the medial malleolus, where the tibial nerve is prone to entrapment?
Tibia
What is the result of the positive Dorsiflexion Eversion Test in relation to tibial nerve entrapment?
It compresses the posterior tibial nerve
Which of the following tendons is NOT located within the tarsal tunnel?
Peroneus longus
What is the relationship between the posterior tibial nerve and the medial and lateral plantar branches in relation to entrapment?
The medial and lateral plantar branches are involved in entrapment of the posterior tibial nerve
What is the likelihood of a simultaneous positive result on the SLR and DF tests in relation to tibial nerve entrapment?
It is highly likely
What is the primary role of the fibrous flexor retinaculum in the tarsal tunnel?
To reduce friction between the tendons and the bony floor
Which of the following structures is most likely to be compressed in the tarsal tunnel, leading to gradual onset of entrapment?
Posterior tibial nerve
What is the primary mechanism by which overpronation contributes to tibial nerve entrapment in the tarsal tunnel?
Increased pressure on the posterior tibial nerve due to altered foot biomechanics
What is the significance of the medial and lateral plantar branches in relation to tibial nerve entrapment in the tarsal tunnel?
They may be involved in entrapment, but their involvement is less common
Which of the following treatments is likely to address the underlying cause of tibial nerve entrapment in the tarsal tunnel?
Orthotics to reduce overpronation
What is the primary mechanism by which the posterior tibial nerve becomes entrapped within the tarsal tunnel?
Overpronation causing the medial malleolus to compress the nerve
Which of the following structures is most likely to be affected by compression of the posterior tibial nerve within the tarsal tunnel?
Medial and lateral plantar branches
What is the primary component of the floor of the tarsal tunnel?
Tibia and talus bones
What is the significance of the positive Dorsiflexion Eversion Test in relation to tibial nerve entrapment?
It is a provocative test for tibial nerve entrapment
Which of the following treatments is likely to address the symptoms of tibial nerve entrapment in the tarsal tunnel?
Orthotics and nerve gliding exercises
Test your knowledge of the tarsal tunnel, a narrow passageway in the ankle that contains several important structures. Learn about the bones, nerves, and tendons that make up this anatomical region. Identify the potential risks of entrapment and compression in the tarsal tunnel.
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