What question did this study set out to answer?

The goal is to present a new orthosis design to support recovery after extensor tendon injuries.

January 16, 2026Plastic & Reconstructive Surgery Global Open0 citationsOpen Access

A Novel Relative Motion Splint Fabrication Technique Using Low-cost and Readily Available Materials

Key Points

The goal is to present a new orthosis design to support recovery after extensor tendon injuries.
Fabrication of an orthosis using a wooden tongue depressor, aluminum strip, and cohesive bandage.
Application technique involves positioning the injured finger's joint at a specific angle compared to adjacent fingers.
Clinical evaluation of the orthosis in a rehabilitation context.
The orthosis enables early active mobilization for improved recovery.
It effectively positions the metacarpophalangeal joint in a beneficial angle.
The technique has proven to be practical in resource-limited environments.

Abstract

Summary: This article described the fabrication and clinical application of a simple relative motion extension orthosis constructed using readily accessible materials such as a wooden tongue depressor, an aluminum strip, and a cohesive bandage. Initially developed to facilitate early active mobilization following extensor tendon repairs, the relative motion extension orthosis is applied by positioning the metacarpophalangeal joint of the injured finger 15–20 degrees more extended relative to the adjacent fingers. The proposed orthosis, produced with low-cost and easily obtainable materials, is considered an effective and practical option for implementing early active mobilization protocols, particularly in settings with limited resources.

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