Robot Based Gait Training Therapy for Pediatric Population With Cerebral Palsy Using the CPWalker

Inclusion Criteria: * Diagnosis of Cerebral Palsy with spastic diplegia * Gross Motor Function Classification System score of 2-4 * Age 11-21 at time of enrollment * Maximum weight of 75kg * Height range of approximately 110cm to 170cm * Ability to understand and follow verbal cues * Lower limb measurements meet specifications of CPWalker * Cognition sufficient to communicate pain or discomfort and follow one step direction from the investigator Exclusion Criteria: * Any orthopedic surgeries less than 3 months prior to study enrollment or ongoing botox injections * Severe musculoskeletal deformities affecting safe and comfortable fit into the exoskeleton as determined by the investigator. Patients may be able to wear their AFOs in the CPWalker if it allows for safe fit. * Unhealed wounds/lesions * Critical motor control alterations such as dystonia, choreoathetosis, or ataxia * Aggressive or self-harming behavior * Severe cognitive impairments that prevent a subject from being able to understand the exercises an/or interact with the study staff