Powered Hip Exoskeleton Reduces Residual Hip Effort Without Affecting Kinematics and Balance in Individuals With Above-Knee Amputations During Walking. - Marshall K. Ishmael; Andrew J. Gunnell; Kai Pruyn; Suzi Creveling; Grace Hunt; Sarah Hood; Dante Archangeli; K. Bo Foreman; Tommaso Lenzi (IEEE Trans. Biomed. Eng., 2023)