Accelerometry measuring the outcome of robot-supported upper limb training in chronic stroke: a randomized controlled trial. oleh Ryanne J M Lemmens, Annick A A Timmermans, Yvonne J M Janssen-Potten, Sanne A N T D Pulles, Richard P J Geers, Wilbert G M Bakx, Rob J E M Smeets, Henk A M Seelen