Flexor Tendon Anatomy Of The Hand

  • NBME
  • USMLE
  • COMLEX
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1. Which muscle flexes the fingers at the DIPJ?

Explanation

FDP

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About This Quiz
Musculoskeletal System Quizzes & Trivia

This quiz explores the flexor tendon anatomy of the hand, focusing on muscle functions and anatomical origins. It assesses knowledge of key muscles like Flexor Digitorum Profundus and Flexor Pollicis Longus, crucial for medical and healthcare education.

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2. Which muscle is responsible for IPJ flexion of the thumb?

Explanation

FPL

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3. What is the name of this flexor?

Explanation

FDS

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4. Where does the common flexor tendon originate?

Explanation

Medial epicondyle

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5. Match the flexor tendon zones to their distal boundaries
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6. What are the three main functions of the digital flexor sheath?

Explanation

The digital flexor sheath has three main functions. First, it facilitates smooth gliding of the tendons, allowing for efficient movement of the fingers. Second, it acts as a fulcrum, providing a mechanical advantage that enhances the strength and efficiency of finger flexion. Lastly, the sheath provides a source of tendon nutrition by supplying synovial fluid, which nourishes and lubricates the tendons, promoting their health and function.

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Which muscle flexes the fingers at the DIPJ?
Which muscle is responsible for IPJ flexion of the thumb?
What is the name of this flexor?
Where does the common flexor tendon originate?
Match the flexor tendon zones to their distal boundaries
What are the three main functions of the digital flexor sheath?
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