Hui-Jin Um

Papers

Total Citations

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About

Hui-Jin Um is a researcher whose work lies at the intersection of biomechanics and assistive robotics, with a particular focus on prosthetic foot design. Her key research areas include 3D-printed prosthetics, toe-joint mechanics, and gait cycle optimization. Um’s most notable contribution is her 2021 study on the design of 3D-printable toe joints for prosthetic feet, which addresses a critical yet often overlooked aspect of prosthetic functionality. By investigating the nonlinear torque-angle behavior of human toe joints, she demonstrated how toe-joint stiffness directly influences ankle kinematics during the gait cycle, particularly the springiness needed for an effective toe-off step. This work provides a foundational framework for improving the natural feel and energy efficiency of robotic prostheses. While her citation count is still growing—with 2 citations to date—her research holds significant potential for advancing personalized prosthetic design through additive manufacturing. Um’s focus on replicating the complex biomechanics of natural toe movement marks her as an emerging voice in the field of rehabilitation engineering, with implications for both clinical practice and robotic limb development.