In the sub-acute phase of recovery, the MITMANUS has demonstrated efficacy for reducing motor impairment, improving function, and eliciting enduring change (Fasoli et al., 2004; Lo et al., 2010; Volpe et al., 1999). In one of the largest randomized controlled trials of rehabilitation robotics to date,the Department of Veterans Affairs investigated the value of MIT-MANUS for chronic stroke (Lo etal.,2010).The study assigned 127 individuals with moderate to severe upper limb impairment to robotas sisted therapy, intensive human-delivered therapy mimicking robotic movements, or usual care for a period of twelve weeks. Researchers found no statistically significant difference between robotic and human-delivered therapy groups at the conclusion of treatment, suggesting that robotic therapy provides a similar, but not superior, benefit for motor performance as compared to human-delivered treatment.