Quality of Life in Pediatric Patients With Acute Lymphoblastic Leukemia Receiving Maintenance Chemotherapy

Inclusion Criteria: * Pediatric oncology patients with ALL in the maintenance phase of chemotherapy during the time of study * Ages 8-18 years of either gender (age limits due to reliability and validity of outcome assessment surveys) * Have no documented or observable psychiatric or neurological disorders that would interfere with study participation * Capable of speaking and reading English * Having no contraindications to participate in moderate physical exercise as determined by the research staff and the patient's pediatric oncologist * Currently living with their parents/legal guardians * Consent obtained from legal guardians and assent obtained from patients to participate in the study Exclusion Criteria: * Not a pediatric oncology patient with ALL in maintenance * Not receiving chemotherapy during the time of study * Age less than 8 years or greater than 18 years * Not English-speaking Since not all outcome measures have been validated in Spanish and other languages, only English-speaking patients will be included.