Motivational Interviewing and Group Heart Transplant Exercise and Education: A Pilot Study

Inclusion Criteria for Patients * Age 12-18 years old * More than 12 months removed from their initial heart transplant * Agreement to participate in study protocol and willing/able to return for follow-up. * Access to computer and/or internet for uploading health data from wearable electronic activity monitor. * Access to an electronic device (phone, tablet, or computer) with a camera feature, microphone, and the capacity to use Zoom, the virtual platform which will stream the group exercise session. * Clinical EKG with normal sinus rhythm * English language proficiency Exclusion Criteria for Patients * Patients who are restricted from exercise * Patients who are pregnant * History of pharmaceutically treated rejection within the prior 6 months * Physical or behavioral conditions that would prevent them from participating in aerobic exercise (i.e., significant motor disability, illness precluding participation in the exercise regimen as described). * Inability to complete a standard maximal exercise stress test (as defined by those who did not achieve an respiratory exchange ratio (RER)\>1.1 and who gave submaximal effort according to exercise physiologist performing EST) * EKG or ambulatory rhythm monitor performed within the last 12 months which shows 2nd or 3rd degree atrioventricular (AV) block * Patients with a medication change after their baseline EST expected to affect their heart rate response to exercise (i.e. initiation/discontinuation of a beta-blocker, beta-agonist during exercise, or ivabradine) * Pacemaker Inclusion Criteria for Parents * Parent of a patient that fits all inclusionary/exclusionary eligibility criteria * English language proficiency at least at a 5th grade level or for limited English proficient (LEP) parents, preferred language proficiency of at least a 5th grade level Exclusion Criteria for Parents \- Unwilling to complete questionnaires