For benefi ts to be realized, it is important that patients
adhere to their exercise program. Multicomponent behavioral
adherence programs based on the model of stages
of change developed by Prochaska and DiClemente [47]
can greatly increase adherence to exercise. Clinicians
are encouraged to provide support, encouragement, and
accountability to patients when exercise is recommended
[29]. When patients have diffi culty adhering to an exercise
routine, a discussion of potential barriers to exercise