Principles of Tendon Transfers Quiz

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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?

Suture Anchor Signup and view all the answers

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

Preventing slippage Signup and view all the answers

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

Transfer even weak muscles acting as deforming forces Signup and view all the answers

Which of the following best describes tendon transposition?

Rerouting a muscle tendon with detachment Signup and view all the answers

What is the purpose of muscle-tendon transplantation?

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

In tendon suspension procedures, what is the primary goal?

Supporting a structure using tendon procedures Signup and view all the answers

What distinguishes tendon transfer from tendon transplantation?

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

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

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

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

Tendon transfer Signup and view all the answers

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

Minimizing the number of tendon transfers performed Signup and view all the answers

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

Tendon suspension Signup and view all the answers

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

Maintaining the original tendon length 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?

Tendon transposition Signup and view all the answers

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

To restore muscle-tendon function Signup and view all the answers

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

Muscle-tendon transplantation Signup and view all the answers

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

Tendon-to-bone transfer Signup and view all the answers

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

To restore muscle function and joint stability Signup and view all the answers

In tendon suspension procedures, what is the primary goal?

To stabilize the joint Signup and view all the answers

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

Tendon-to-bone transfer Signup and view all the answers

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

Reduced tendon excursion 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?

Tendon transposition Signup and view all the answers

Which of the following describes a tendon transposition?

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

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

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

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

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

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

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

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

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

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

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

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

The tendon should be phasic Signup and view all the answers

What is the primary goal of tendon suspension procedures?

To preserve tendon excursion Signup and view all the answers

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

Achieving a strong attachment Signup and view all the answers

What distinguishes tendon transfer from tendon transplantation?

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. 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?

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

What is the main purpose of the paratenon?

To prevent bowstringing Signup and view all the answers

Which statement best describes the function of a tendon sheath?

Allows tendons to glide like a piston in a cylinder Signup and view all the answers

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

Proliferative phase Signup and view all the answers

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

Initiating cell proliferation and matrix synthesis Signup and view all the answers

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

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

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

To strengthen and enhance flexibility in the healed tendon 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?

Macrophages 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?

Tenocytes 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?

Proliferative phase Signup and view all the answers

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

To provide temporary stiffness Signup and view all the answers

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

Tenocytes 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?

They transition from phagocytic to reparative Signup and view all the answers

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

To align the extracellular matrix and restore pre-injury biomechanical properties 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?

Debridement with tubulerization Signup and view all the answers

What is the primary purpose of a tendon transfer procedure?

To restore function to a paralyzed muscle 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?

Proliferative phase Signup and view all the answers

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

The tendon should have the same excursion as the target tendon Signup and view all the answers

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

Preventing the tendon from slipping or detaching from the bone Signup and view all the answers

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?

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

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

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

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

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

Which of the following best describes tendon transposition?

What is the purpose of muscle-tendon transplantation?

In tendon suspension procedures, what is the primary goal?

What distinguishes tendon transfer from tendon transplantation?

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

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

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

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

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

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

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

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

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

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

In tendon suspension procedures, what is the primary goal?

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

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

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

Which of the following describes a tendon transposition?

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

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

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

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

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

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

What is the primary goal of tendon suspension procedures?

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

What distinguishes tendon transfer from tendon transplantation?

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

What is the main purpose of the paratenon?

Which statement best describes the function of a tendon sheath?

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

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

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

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

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

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

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

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

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

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

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

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

What is the primary purpose of a tendon transfer procedure?

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

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

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

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