RecruitingClinical trialIncreasing the Repertoire of Intermuscular Co-ordination Post Stroke Through EMG-Guided Human-Machine InteractionThe purposes of this study include: 1. \- To identify whether features of aberrant intermuscular coordination patterns can be used to predict motor impairment after stroke. 2. \- To test whether muscle synergies are malleable to a non-invasive EMG-guided exercise that induces changes in intermuscular coordination of upper extremity muscles after stroke.