In MCP extension of digits 2-5, what is the expected end feel and ROM?

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Study for the NATA BOC Domain 2 Clinical Evaluation and Diagnosis Test. Utilize our comprehensive flashcards and multiple-choice quiz features; each question comes with hints and thorough explanations. Prepare effectively for your certification exam!

Multiple Choice

In MCP extension of digits 2-5, what is the expected end feel and ROM?

Explanation:
At the MCP joints of digits 2–5, extension is limited by the tension in the joint’s capsuloligamentous structures, especially the volar plate and the collateral ligaments. As you move the finger from neutral into extension, these tissues tighten and stop further motion with a firm end feel. The normal range for MCP extension is from 0 degrees up to about 45 degrees from neutral, which provides functional finger extension without allowing hyperextension. So, for a typical, healthy MCP extension of digits 2–5, you’d expect a firm end feel and an ROM of 0–45 degrees.

At the MCP joints of digits 2–5, extension is limited by the tension in the joint’s capsuloligamentous structures, especially the volar plate and the collateral ligaments. As you move the finger from neutral into extension, these tissues tighten and stop further motion with a firm end feel. The normal range for MCP extension is from 0 degrees up to about 45 degrees from neutral, which provides functional finger extension without allowing hyperextension. So, for a typical, healthy MCP extension of digits 2–5, you’d expect a firm end feel and an ROM of 0–45 degrees.

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