Children's Laughter and Fun Yoga as Adjunctive Pain Relief Following Chemotherapy.

Inclusion Criteria: * Children aged 2-10 years. * Medically diagnosed with acute lymphoblastic leukemia (ALL) and currently receiving chemotherapy that includes dexamethasone pulses during the maintenance phase. * Clinically stable and able to participate in gentle, low-intensity yoga movements as determined by the treating physician. * At least one parent or legal guardian willing and able to supervise and participate in the home-based intervention sessions. * Written informed consent from parent/legal guardian, with age-appropriate assent from the child. Exclusion Criteria: * Recent major surgery (within the past 2 weeks) that may limit safe participation in gentle activity. * Severe uncontrolled medical conditions (unstable vital signs, decompensated cardiac or respiratory disease, uncontrolled epilepsy) that may place the child at risk during light movement or laughter. * Severe visual, hearing, or cognitive impairment preventing engagement with video-based instructions and exercises. * Physical limitations or musculoskeletal injuries that prevent participation in the intervention. * Any other condition that, in the judgment of the treating physician, would interfere with safe participation or adherence. * Currently enrolled in another interventional clinical trial for pain management.