Bridging Adolescent and Young Adult Sarcoma Survivors With Personalized Oncology Exercise Service (AYA-ONE): A Pilot Intervention

Inclusion Criteria: * Diagnosed with a bone or soft tissue sarcoma * Age 15-39 at time of diagnosis * Age 15 and older at time of enrollment * Age 15-17 at time of enrollment, with assent from participant and consent from parent/legal guardian * Established patient of the DFCI Sarcoma Center or Jimmy Fund * Able to read and understand English (to complete required questionnaires and participate in training/coaching) * Individuals who are not yet adults (teenagers) if they assent and their parents/legal guardians' consent to participation. Exclusion Criteria: * Unstable cardiovascular disease in the last 6 months * Psychiatric disorders or conditions that would preclude participation in the study intervention (e.g. untreated major depression or psychosis, untreated substance use disorder, severe personality disorder) * Pregnant * Currently participating in physical or occupational therapy * Presence of medical conditions or medications that would prohibit participation in an exercise program * Meeting exercise guidelines of 150 minutes of moderate intensity/75 minutes of vigorous intensity physical activity per week plus consistent strength training (at least once per week) over the past 3 months. Assessed via Godin Leisure Time Questionnaire by study staff. * Adults unable to consent