A. Patient-Participant Group (Children with Cerebral Palsy) - Children aged 5 to 17 years with a confirmed diagnosis of cerebral palsy. - Gross Motor Function Classification System (GMFCS) Levels I to IV, able to walk with or without assistance (walker or cane). This classification will have been completed by Dr. Martin Piazza and his Movement Disorders clinic team. - Stable medical condition without recent surgeries or interventions that could affect motor function. - Must be able to communicate basic needs and follow simple instructions. - Provision of informed consent by a parent or legal guardian, with assent from the child as appropriate. B. Control Group (Children without Neurological Diagnoses) - Children aged 5 to 17 years with no history of neurological diagnoses. - Must be fully ambulatory without assistance. - Must be able to communicate basic needs and follow simple instructions. - Provision of informed consent by a parent or legal guardian, with assent from the child as appropriate.

• Presence of implanted medical devices (e.g., baclofen pumps, deep brain stimulators) that may interfere with TSCS. - Severe scoliosis or spinal deformities that could affect the delivery of tSCS. - Uncontrolled epilepsy or a history of frequent seizures. - Severe cognitive impairments limiting the ability to comply with study procedures. - Skin conditions or open wounds at the site of stimulation. - Participation in other interventional studies that may confound results. - Any serious disease or disorder (e.g. cancer, severe cardiac or respiratory disease, etc.) that could affect ability to participate in this study.