Structural Deformities of the Foot: Plantarflexed 5th Metatarsal and Splayfoot
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Questions and Answers

What is the characteristic of a plantarflexed 5th metatarsal associated with pain and prominence?

  • A declination angle > 10 degrees (correct)
  • A declination angle < 10 degrees
  • An IM angle > 12° between the 1st and 2nd metatarsals
  • An IM angle > 8° between the 4th and 5th metatarsals

    • What is the characteristic of a splayfoot deformity?

  • An IM angle < 12° between the 1st and 2nd metatarsals
  • An IM angle > 12° between the 1st and 2nd metatarsals (correct)
  • A declination angle > 10 degrees
  • A hypermobile 5th ray

    • What is the effect of a hypermobile 5th ray on the foot during gait?

  • The foot remains pronated for a longer period (correct)
  • The foot remains pronated for a shorter period
  • The foot is more stable
  • The foot is forced into a dorsiflexed, abducted, and everted position

    • What is the primary feature to evaluate in a bunionette deformity?

    <p>Clinical features</p> Signup and view all the answers

    What is the result of a compensated rearfoot varus?

    <p>The foot is able to reach the ground</p> Signup and view all the answers

    What is the reference point for measuring total excursion in a functional tailor's bunion?

    <p>The 2nd and 3rd ray</p> Signup and view all the answers

    What is the etymology of the term 'bunion'?

    <p>From Greek, meaning 'tuber' or 'turnip'</p> Signup and view all the answers

    What is the historical association of tailor's bunion with the occupation of tailoring?

    <p>Tailors would sit crosslegged on the floor to work, causing pressure on the lateral foot</p> Signup and view all the answers

    What is the anatomical location of a Tailor's bunion?

    <p>Fifth metatarsal bone</p> Signup and view all the answers

    What is NOT a topic discussed in this presentation?

    <p>Pan surgical approaches</p> Signup and view all the answers

    What is the name of the professor presenting this lecture?

    <p>Mathew Johnstone</p> Signup and view all the answers

    What is the purpose of the copyright notice at the end of the presentation?

    <p>To acknowledge the use of copyrighted material under Fair Use and the TEACH Act</p> Signup and view all the answers

    What is the typical location of the prominence in a bunionette deformity?

    <p>Lateral aspect of the fifth metatarsal head</p> Signup and view all the answers

    What is the name of the fluid-filled sac that forms as a response to repeated trauma or shear in a bunionette deformity?

    <p>Adventitial bursa</p> Signup and view all the answers

    What is the normal declination angle of the 5th metatarsal?

    <p>10 degrees</p> Signup and view all the answers

    What is the term used to describe the shape of the fifth metatarsal head in a bunionette deformity?

    <p>Lateral bowing</p> Signup and view all the answers

    What is the name of the classification system used to describe typical structural fifth ray deformities?

    <p>Fallat and Buckholz classification</p> Signup and view all the answers

    What is the term used to describe the inflammation and pain associated with a bunionette deformity?

    <p>Inflammatory reaction</p> Signup and view all the answers

    What is the primary consequence of a 5th metatarsal being forced into a dorsiflexed, abducted, and everted position?

    <p>Pain and increased lateral pressure</p> Signup and view all the answers

    In the evaluation of a bunionette deformity, what is the significance of palpation?

    <p>To determine the presence of pain</p> Signup and view all the answers

    What is the consequence of an IM angle > 12° between the 1st and 2nd metatarsals?

    <p>Splayfoot deformity</p> Signup and view all the answers

    What is the role of the 2nd and 3rd ray in measuring total excursion in a functional tailor's bunion?

    <p>They are used as reference points</p> Signup and view all the answers

    What is the effect of a hypermobile 5th ray on the gait pattern?

    <p>The foot remains pronated for a longer period</p> Signup and view all the answers

    What is the significance of the appearance of the skin in the evaluation of a bunionette deformity?

    <p>To examine the appearance of redness, swelling, or shininess</p> Signup and view all the answers

    What is the primary cause of the inflammatory reaction in a bunionette deformity?

    <p>Shearing over the boney prominence</p> Signup and view all the answers

    What is the term used to describe the outside covering of an organ?

    <p>Adventitia</p> Signup and view all the answers

    Which of the following is a characteristic of a bunionette deformity?

    <p>Lateral bowing of the fifth metatarsal</p> Signup and view all the answers

    What is the typical location of the prominence in a bunionette deformity?

    <p>All of the above</p> Signup and view all the answers

    What is the effect of an uncompensated forefoot deformity on the development of a bunionette deformity?

    <p>It increases the risk of developing a bunionette deformity</p> Signup and view all the answers

    What is the term used to describe the fluid-filled sac that forms as a response to repeated trauma or shear in a bunionette deformity?

    <p>Adventitial bursa</p> Signup and view all the answers

    What is the primary cause of the painful prominence of the fifth metatarsal bone?

    <p>Sitting cross-legged on the floor</p> Signup and view all the answers

    What is the meaning of the Greek word 'βούνῐον'?

    <p>Tuber</p> Signup and view all the answers

    What is the historical occupation associated with the development of Tailor's bunion?

    <p>Tailor</p> Signup and view all the answers

    What is the name of the university where the lecture is taking place?

    <p>Des Moines University</p> Signup and view all the answers

    What is the purpose of the copyright notice at the end of the presentation?

    <p>To restrict the use of the presentation to students enrolled in the course</p> Signup and view all the answers

    What is the medical term for the painful prominence of the fifth metatarsal bone?

    <p>Tailor's bunion</p> Signup and view all the answers

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