Instrumentation and Validation of a Knee Exoskeleton for the Measurement of Human - Exoskeleton Interaction Forces - Iglesias Santos, Marco; Massardi, Stefano; Cenciarini, Massimo; Rodriguez-Cianca, David; Torricelli, Diego (CONVERGING CLINICAL AND ENGINEERING RESEARCH ON NEUROREHABILITATION V, ICNR 2024, VOL 1, 2025)