LCI-PED-NOS-EXER-001: Exercise in Pediatric Oncology Patients

Inclusion Criteria: 1. Ages 2-25 at time of consent 2. Subject has newly diagnosed cancer per Investigator, and is planning to undergo chemotherapy for treatment of malignancy for at least 3 full cycles 3. Ability of subject (and/or parent/guardian) to read and understand the English or Spanish language 4. As determined and documented by the enrolling investigator, ability of the subject to understand and comply with study procedures for the entire length of the study 5. Subject has newly diagnosed cancer per Investigator and is planning to undergo chemotherapy, immunotherapy, or other systemically delivered for treatment of malignancy. Subjects are allowed to be enrolled up to 21 days after initiating cancer treatment. 6. Receiving oncologic care at Levine Children's Cancer and Blood Disorders Clinic. 7. Subject is anticipated to receive at least 3 full cycles of chemotherapy or other systemic cancer treatment. 8. Not participating in another clinical trial that precludes participating in additional nondrug clinical trials. Exclusion Criteria: 1. Known cardiac dysfunction that, in the opinion of the investigator, would be unsafe for the child to participate in the exercise program 2. Any other uncontrolled intercurrent illness/medical condition or psychiatric illness/social situations that would limit compliance with study requirements or would be considered unsafe for the child to participate as determined by the Investigator. 3. Recent (within 4 weeks of enrollment) or planned surgery that will result in prolonged limited mobility not amendable to exercise modifications per investigator discretion 4. Primary CNS Tumor 5. Osteosarcoma