Certified Hand Therapist (CHT) Practice Exam

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Study for the Certified Hand Therapist Exam. Use flashcards and multiple choice questions to test your skills. Each question offers insightful hints and explanations. Prepare effectively and excel in your certification!

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What is the function of the triangular ligament in hand anatomy?

Stabilizes the metacarpal base
Connects and stabilizes the lateral bands
Prevents excessive extension of the finger joints
Facilitates the movement of the interphalangeal joints

The correct answer is: Connects and stabilizes the lateral bands

The triangular ligament plays a vital role in the biomechanics of the hand, specifically by connecting and stabilizing the lateral bands of the extensor mechanism. This ligament forms part of the intricate system that allows for coordinated extension of the fingers while ensuring that the extensor tendons function effectively. By stabilizing the lateral bands, the triangular ligament helps maintain the proper alignment and tension of the extensor mechanism during finger movements, aiding in the overall function of the finger joints. Understanding the function of the triangular ligament is crucial for assessing conditions such as mallet finger or other injuries that affect finger extension, as it directly relates to the stability and function of the extensor mechanism.