Principles of Tendon Transfer Quiz
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Questions and Answers

What is the recommended power grade for muscle tendon units to be transferred?

  • M6
  • M4 (correct)
  • M5
  • M3

Which type of tendon transfer is recommended even for a weak muscle if it is considered to be the deforming force?

  • Tendon Fixation
  • Side to Side Anastomosis
  • End to End Tendon to Bone Repair
  • In-Phase Peroneus Longus to Brevis Tendon Transfer (correct)

According to the Blix Curve, at what percentage of resting length does a muscle produce the greatest force?

  • 90%
  • 120% (correct)
  • 30%
  • 60%

Which type of repair involves fastening a tendon under zero tension?

<p>End to End Repair (B)</p> Signup and view all the answers

In tendon transfers, which principle suggests that the transferred tendon should run in a straight course?

<p>Adequate range of movement within the joint (B)</p> Signup and view all the answers

What is the recommended power grade for muscle tendon units to be transferred according to the text?

<p><strong>M4 or M5</strong> (D)</p> Signup and view all the answers

Which of the following is NOT a phase of tendon healing?

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

What is the purpose of a tendon sheath?

<p>To allow the tendon to glide like a piston in a cylinder (B)</p> Signup and view all the answers

Which of the following is a key difference between a paratenon and a tendon sheath?

<p>Paratenon allows for tendon gliding, while a tendon sheath prevents bowstringing (A)</p> Signup and view all the answers

Which of the following is a common tendon transfer procedure?

<p>Flexor digitorum profundus to extensor digitorum brevis (D)</p> Signup and view all the answers

What is the purpose of the length-tension relationship (Blix curve) in tendons?

<p>To evaluate the mechanical properties of a tendon (C)</p> Signup and view all the answers

Which of the following is a key step in the inflammatory phase of tendon healing?

<p>Activation of the complement cascade (B)</p> Signup and view all the answers

What is the main disadvantage of the End to End Bunnell Repair technique?

<p>It can constrict the vascular supply to the tendon. (C)</p> Signup and view all the answers

Which tendon repair technique is designed to avoid constricting the microcirculation of the tendon?

<p>End to End Lateral Trap Repair (B)</p> Signup and view all the answers

Which of the following is a key characteristic of the Krackow Repair technique?

<p>It uses an interlocking weave stitch for good tensile strength. (D)</p> Signup and view all the answers

What is the main purpose of a Side to Side Anastomosis tendon repair?

<p>To provide the most physiologic pull on the tendon. (D)</p> Signup and view all the answers

Which of the following is a key distinction between a Tendon Transfer and a Tendon Transposition?

<p>A Tendon Transfer involves moving the tendon to a new location, while a Tendon Transposition involves rerouting the tendon's course. (B)</p> Signup and view all the answers

Which of the following is a key characteristic of the Remodeling phase of tendon healing?

<p>Systematic organization of collagen bundles with anatomic orientation (A)</p> Signup and view all the answers

In tendon transfer procedures, which principle suggests that the transferred tendon should run in a straight course?

<p>The Bowstringing Principle (D)</p> Signup and view all the answers

Which type of tendon repair technique is designed to avoid constricting the microcirculation of the tendon?

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

Which of the following is a key step in the Inflammatory phase of tendon healing?

<p>Activation of the complement cascade (A)</p> Signup and view all the answers

Which type of tendon transfer is recommended even for a weak muscle if it is considered to be the deforming force?

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

What is the main purpose of a Side to Side Anastomosis tendon repair?

<p>To avoid constricting the tendon's microcirculation (A)</p> Signup and view all the answers

According to the principles outlined, which of the following is NOT a recommended criterion for selecting a muscle-tendon unit for transfer?

<p>The muscle-tendon unit should have a power grade of M3 or lower. (D)</p> Signup and view all the answers

What is the purpose of the 'in-phase' and 'out-of-phase' concepts in tendon transfers?

<p>To match the transferred muscle's contraction pattern with the desired joint movement. (A)</p> Signup and view all the answers

Which of the following tendon repair techniques involves creating a bone tunnel or trough?

<p>Tendon-to-Bone Repair with Trephine Plug or Interference Screw (D)</p> Signup and view all the answers

According to the Blix Curve principle, at what percentage of resting length should a tendon be fastened to achieve zero tension?

<p>60% of resting length (B)</p> Signup and view all the answers

Which of the following factors is NOT considered a principle for successful tendon transfers?

<p>The transferred muscle should have a power grade of at least M3. (C)</p> Signup and view all the answers

Which of the following phases is NOT typically included in the process of tendon healing?

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

Which of the following tendon repair techniques is designed to avoid constricting the microcirculation of the tendon?

<p>End to End Krackow Repair (B)</p> Signup and view all the answers

What is the primary purpose of a Side to Side Anastomosis tendon repair?

<p>To lengthen the tendon by promoting fibrous union (B)</p> Signup and view all the answers

Which of the following is the key distinction between a Tendon Transfer and a Tendon Transposition?

<p>A Tendon Transfer involves detachment and relocation, while a Transposition reroutes without detachment (B)</p> Signup and view all the answers

Which principle suggests that the transferred tendon should run in a straight course during a Tendon Transfer procedure?

<p>The Straight Line Principle (B)</p> Signup and view all the answers

Which of the following is a key characteristic of the Krackow Repair technique?

<p>It involves a interlocking weave stitch (B)</p> Signup and view all the answers

Which of the following is a key phase in tendon healing?

<p>The Inflammatory Phase (C)</p> Signup and view all the answers

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