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This study aims to investigate the dynamics of human interaction with a single-DOF gait rehabilitation device through simulation.

A Musculoskeletal Simulation of Human-Mechanism Interaction: Biomechanical Analysis of a Single-DOF Gait Rehabilitation Device

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This study aims to investigate the dynamics of human interaction with a single-DOF gait rehabilitation device through simulation.
Conducted an OpenSim simulation of the Mech-Walker rehabilitation device.
Integrated a detailed musculoskeletal model for analysis of walking dynamics.
Focused on forces and torques at contact points and joints during user interaction.
Primary interaction forces at the pelvis-seat and foot-pedal interfaces were proportional to the user's body weight.
Peak vertical seat force reached approximately 750 N for a 75 kg user.
The mechanism replicated hip and knee joint kinematics within normative ranges, while ankle trajectory showed greater deviation.

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Randomized trial explores gait dynamics in rehabilitation, suggesting advancements in robotic training systems.

Chegini et al. (2026) studied this question.

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