TY - JOUR T1 - An index finger exoskeleton with series elastic actuation for rehabilitation: Design, control and performance characterization JF - International Journal of Robotics Research Y1 - 2015 A1 - Priyanshu Agarwal A1 - Jonas Fox A1 - Youngmok Yun A1 - O'Malley, M.K. A1 - Ashish D. Deshpande VL - 34 ER -