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Efficacy of Custom 3-D Patellar Support to Reduce Patellar Mobility

AJAS · 2026

Suvit Asnani · New Jersey Academy of Science

Overview

Commercial knee braces lack adequate patellar support and aren’t effective in reducing patellar mobility after dislocation or subluxation. This study aimed to create a 3D model of a patellar support to be used along with commercial knee braces to improve patellar stability by reducing patellar mobility after knee injury and improving recovery outcomes. The goal was to design, build, and test a 3D-printed patellar support to be used as an insert in commercial knee braces. The expected result was a model that keeps the patella supported and non-mobile while in the knee brace. An iPhone 15 and the Polycam app scanned a subject’s knee. The patellar support insert was designed around the knee scan in Fusion 360 and 3D printed. 10 trials were conducted with and without the patellar support inserted into the knee brace. Patellar mobility, measured by pushing the patella laterally, was measured in centimeters using a ruler. An independent one-tailed type 3 t-test was conducted on the two data groups and showed that the compared values were statistically significant. The 3-D printed insert reduced patella movement by 95% and kept the patella supported. Custom-built patellar supports can enhance patellar stability and potentially improve outcomes after knee injuries.

Competition history

  • AJAS 2026 Category not listed

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Source: AAAS Annual Meeting (Confex) / American Junior Academy of Science

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