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

What is the etymology of the term 'bunion'?

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

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

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

What is NOT a topic discussed in this presentation?

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

What is the name of the professor presenting this lecture?

<p>Mathew Johnstone (A)</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 (D)</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 (B)</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 (B)</p> Signup and view all the answers

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

<p>10 degrees (B)</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 (C)</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 (C)</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 (D)</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 (D)</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 (C)</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 (A)</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 (A)</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 (C)</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 (C)</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 (A)</p> Signup and view all the answers

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

<p>Adventitia (D)</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 (B)</p> Signup and view all the answers

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

<p>All of the above (D)</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 (C)</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 (B)</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 (D)</p> Signup and view all the answers

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

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

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

<p>Tailor (B)</p> Signup and view all the answers

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

<p>Des Moines University (C)</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 (C)</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 (B)</p> Signup and view all the answers

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