Subjects will undergo a 12-week training program comprising of a maximum of 3 x 45 minute sessions a day. Activities focus on grasping and releasing balls and reaching for targets, wearing the SaeboFlex for the majority of the session. At the end of each session the SaeboFlex is removed and the hand is incorporated into functional tasks as able. Subjects will be set individualized training program by a Saebo-trained therapist. The program will be graded and progressed at a rate that is appropriate to each individual.