Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, Illinois, United States of America.|Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, Illinois, United States of America.|Department of Kinesiology, Michigan State University, East Lansing, Michigan, United States of America.|Department of Mechanical Engineering, Northwestern University, Evanston, Illinois, United States of America.|Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, Illinois, United States of America.