RecruitingClinical trialEffects of Core Stabilization Exercises in Children with Acute Lymphoblastic LeukemiaThe goal of this clinical trial is to investigate the effects of core stabilization exercises applied in addition to the conventional exercise program on physical function, functional muscle strength, functional exercise capacity, postural control and fatigue in children with acute lymphoblastic leukemia receiving maintenance treatment. Participants will be divided into two groups; the first group will be given a conventional exercise program, while the second group will be given core stabilization exercises in addition to the conventional exercise program.