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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Trajectory planning for index finger exoskeleton MCP joint and PIP joint. (a–c) MCP joint angle, angular velocity, and angular acceleration variation with respect to time; (d–f) PIP joint angle, angular velocity, and angular acceleration variation with respect to time.