Rehabilitation professionals have long suspected that a patient's motivation plays an important role in determining the outcome of therapy, despite the lack of a clear definition of the phenomenon (Maclean et al. 2002). It is estimated that up to 65% of patients are non/partially adherent to their home exercise program (Meichenbaum 1987). Classically, patients have completed home exercise diaries. However, studies have suggested that these are often completed retrospectively. This may encourage patients to exaggerate the amount of activity performed. Hoelscher at al (1984), timed patients at home performing a relaxation exercise program and compared this to patient reported duration. They found that the latter tended to suggest a higher level of adherence. The Exergames programmes actively track patient interaction with the software. Each activity records the length of interaction, progress through rehabilitation allowing the clinician to have a clearer indication of patient engagement in rehabilitation.