Principles of Tendon Transfers Quiz
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Questions and Answers

What is a key principle to consider when selecting a tendon for transfer?

  • Alignment of the tendon after transfer
  • Presence of adequate range of motion post-transfer
  • Power grade of the muscle after transfer
  • Phasic vs. non-phasic nature of the tendon (correct)

    • According to the principles of tendon transfers, what should be the power grade of the muscle after transfer?

  • Maintain the same power grade
  • Transfer only highly powered muscles
  • Lose at least 1 grade of power (correct)
  • Increase in power grade

    • What is the main concern associated with side-to-side lengthening or transfers?

  • Excessive tension on the tendon
  • Risk of slippage (correct)
  • Lack of physiologic pull
  • Inadequate range of motion post-transfer

    • Which technique involves securing tendons to bone using a trephine or screw and washer?

    <p>Suture Anchor</p> Signup and view all the answers

    In tendon-to-bone transfers, what is the primary concern when securing the tendon?

    <p>Preventing slippage</p> Signup and view all the answers

    What aspect should be considered when transferring a weak muscle that acts as a deforming force?

    <p>Transfer even weak muscles acting as deforming forces</p> Signup and view all the answers

    Which of the following best describes tendon transposition?

    <p>Rerouting a muscle tendon with detachment</p> Signup and view all the answers

    What is the purpose of muscle-tendon transplantation?

    <p>Moving a muscle tendon to a new location with its neurovascular support</p> Signup and view all the answers

    In tendon suspension procedures, what is the primary goal?

    <p>Supporting a structure using tendon procedures</p> Signup and view all the answers

    What distinguishes tendon transfer from tendon transplantation?

    <p>Detaching a muscle tendon at both its origin and insertion for movement</p> Signup and view all the answers

    Which of the following is a key principle of tendon transfers?

    <p>Detachment of functioning muscle tendons and their movement to new positions</p> Signup and view all the answers

    What does tendon detaching at its insertion and then relocating to a new attachment describe?

    <p>Tendon transfer</p> Signup and view all the answers

    Which of the following is NOT a principle of tendon transfers?

    <p>Minimizing the number of tendon transfers performed</p> Signup and view all the answers

    Which type of tendon transfer involves attaching the tendon to a bone or other fixed structure?

    <p>Tendon suspension</p> Signup and view all the answers

    In a tendon transfer, which of the following is the most important consideration for preserving tendon excursion?

    <p>Maintaining the original tendon length</p> Signup and view all the answers

    Which type of tendon transfer involves moving a tendon to a new attachment site while preserving its original muscle-tendon unit?

    <p>Tendon transposition</p> Signup and view all the answers

    What is the primary purpose of a tendon transfer in the treatment of paralytic conditions?

    <p>To restore muscle-tendon function</p> Signup and view all the answers

    Which type of tendon transfer involves replacing a non-functioning muscle-tendon unit with a functioning one?

    <p>Muscle-tendon transplantation</p> Signup and view all the answers

    Which type of tendon transfer involves attaching the tendon to a bone or other fixed structure?

    <p>Tendon-to-bone transfer</p> Signup and view all the answers

    What is the primary purpose of a tendon transfer in the treatment of paralytic conditions?

    <p>To restore muscle function and joint stability</p> Signup and view all the answers

    In tendon suspension procedures, what is the primary goal?

    <p>To stabilize the joint</p> Signup and view all the answers

    Which technique involves securing tendons to bone using a trephine or screw and washer?

    <p>Tendon-to-bone transfer</p> Signup and view all the answers

    What is the main concern associated with side-to-side lengthening or transfers?

    <p>Reduced tendon excursion</p> Signup and view all the answers

    Which type of tendon transfer involves moving a tendon to a new attachment site while preserving its original muscle-tendon unit?

    <p>Tendon transposition</p> Signup and view all the answers

    Which of the following describes a tendon transposition?

    <p>Rerouting the course of a normal muscle-tendon unit without detachment</p> Signup and view all the answers

    What is the primary purpose of a muscle-tendon transplantation?

    <p>To replace a non-functioning muscle-tendon unit with a functioning one</p> Signup and view all the answers

    Which principle should be considered when selecting a tendon for transfer?

    <p>The transferred tendon should have an adequate excursion to perform the desired function</p> Signup and view all the answers

    In a tendon suspension procedure, what is the primary goal?

    <p>To provide support to a structure by attaching a tendon to bone</p> Signup and view all the answers

    What distinguishes a tendon transfer from a muscle-tendon transplantation?

    <p>In a tendon transfer, the muscle-tendon unit is not detached from its origin or insertion</p> Signup and view all the answers

    According to the principles of tendon transfers, what should be the power grade of the muscle after transfer?

    <p>The power grade should be equal to or greater than the desired function</p> Signup and view all the answers

    Which of the following is a key principle when considering a tendon for transfer?

    <p>The tendon should be phasic</p> Signup and view all the answers

    What is the primary goal of tendon suspension procedures?

    <p>To preserve tendon excursion</p> Signup and view all the answers

    When securing a tendon to bone in a tendon-to-bone transfer, what is the primary concern?

    <p>Achieving a strong attachment</p> Signup and view all the answers

    What distinguishes tendon transfer from tendon transplantation?

    <p>Tendon transfer involves detaching a tendon from its insertion and relocating it to a new attachment site, while tendon transplantation involves moving a tendon to a new attachment site while preserving its original muscle-tendon unit.</p> Signup and view all the answers

    According to the principles of tendon transfers, what should be the power grade of the muscle after the transfer?

    <p>The muscle should have a power grade of M4 or M5</p> Signup and view all the answers

    What is the main purpose of the paratenon?

    <p>To prevent bowstringing</p> Signup and view all the answers

    Which statement best describes the function of a tendon sheath?

    <p>Allows tendons to glide like a piston in a cylinder</p> Signup and view all the answers

    During which phase of tendon healing does the proliferative phase occur?

    <p>Proliferative phase</p> Signup and view all the answers

    What is the primary objective of tendon repair during the inflammatory phase?

    <p>Initiating cell proliferation and matrix synthesis</p> Signup and view all the answers

    What is the main difference between paratenon and tendon sheath in terms of function?

    <p>Paratenon is found in tendons with curves while tendon sheath surrounds straight-pull tendons.</p> Signup and view all the answers

    What is the overarching goal of the remodeling phase in tendon healing?

    <p>To strengthen and enhance flexibility in the healed tendon</p> Signup and view all the answers

    During the inflammatory stage of tendon healing, which of the following components is responsible for digesting necrotic debris at the wound site?

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

    In the proliferative or repair stage of tendon healing, which cells are involved in profuse synthetic activity and are directed by macrophages?

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

    Which phase of tendon healing is characterized by the formation of a temporary matrix rich in Type III collagen?

    <p>Proliferative phase</p> Signup and view all the answers

    What is the primary purpose of a fibrin clot during the inflammatory stage of tendon healing?

    <p>To provide temporary stiffness</p> Signup and view all the answers

    Which cell type is particularly stimulated to proliferate during the inflammatory stage of tendon healing?

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

    What is a characteristic shift that occurs with macrophages as healing progresses from the inflammatory to the proliferative stage?

    <p>They transition from phagocytic to reparative</p> Signup and view all the answers

    What is the primary purpose of the remodeling phase in tendon healing?

    <p>To align the extracellular matrix and restore pre-injury biomechanical properties</p> Signup and view all the answers

    Which type of tendon repair technique involves debridement of the tendon ends and wrapping the tendon in a tubular structure?

    <p>Debridement with tubulerization</p> Signup and view all the answers

    What is the primary purpose of a tendon transfer procedure?

    <p>To restore function to a paralyzed muscle</p> Signup and view all the answers

    Which phase of tendon healing is characterized by the deposition of a temporary, mechanically inferior matrix composed mostly of collagen III?

    <p>Proliferative phase</p> Signup and view all the answers

    Which of the following is a key principle to consider when selecting a tendon for transfer?

    <p>The tendon should have the same excursion as the target tendon</p> Signup and view all the answers

    What is the primary concern when securing a tendon to bone in a tendon-to-bone transfer?

    <p>Preventing the tendon from slipping or detaching from the bone</p> Signup and view all the answers

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