“…22 The multitude of factors related to adherence behavior have commonly been categorized as either personal or environmental. Personal factors most commonly reported as affecting adherence rates include belief in efficacy of treatment, [23][24][25] selfmotivation, 23,[26][27][28][29][30][31] perceived social support, 23,27,32 pain tolerance, 27,29,32 emotional disturbance, 18,33 belief in ability to perform activities prescribed, 25 goal direction, 23 instrumental coping, 34 positive attitude, 30 perceived risks for future complications and long-term benefits, 25 success perceived to be related to controllable factors, 26 and perceived lack of time. 31 Environmental or situational factors most commonly reported as affecting adherence rates include clinical setting and scheduling, 27,31 communication, 28 therapists support and progression of exercises, 31 and rehabilitation professionals' expectancy of patient behavior.…”