In Metacarpophalangeal Extension of the Thumb, what end feel and ROM are expected?

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Multiple Choice

In Metacarpophalangeal Extension of the Thumb, what end feel and ROM are expected?

Explanation:
Extending the thumb at its metacarpophalangeal joint is limited by soft tissue tension, giving a firm end feel as you approach the endpoint. The normal endpoint for this movement is at 0 degrees, meaning the joint cannot extend beyond neutral in a typical, healthy thumb. The ligaments and joint capsule (including the collateral ligaments and palmar structures) restraint prevent any further extension, so the ROM is effectively from a flexed position to the neutral stop, with the endpoint at 0 degrees.

Extending the thumb at its metacarpophalangeal joint is limited by soft tissue tension, giving a firm end feel as you approach the endpoint. The normal endpoint for this movement is at 0 degrees, meaning the joint cannot extend beyond neutral in a typical, healthy thumb. The ligaments and joint capsule (including the collateral ligaments and palmar structures) restraint prevent any further extension, so the ROM is effectively from a flexed position to the neutral stop, with the endpoint at 0 degrees.

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