Em-power: Maximizing Functional Independence for Children With Severe Cerebral Palsy

Inclusion Criteria: * Diagnosis of severe CP (Gross Motor Function Classification System Level IV or V) * Inability to functionally walk or functionally propel a manual wheelchair as assessed by the Principal Investigator a licensed physical therapist * Demonstrate cause and effect skills in the IndieTrainer consistent with an Assessment of Learning Powered mobility use (ALP Assessment) Phase 4 or higher (i.e., understand that they are moving the IndieTrainer using the switch(es) or joystick) as assessed by the Principal Investigator, a licensed physical therapist. * In addition, one parent/caregiver must be conversant in English and be able to provide their child's medical and health history and be willing to take on the parent participant role. Exclusion Criteria: * The inability to sit in their own manual wheelchair or adaptive stroller for 60 minutes (as this would preclude them safely using the IndieTrainer System for the 60-minute intervention sessions) * Their manual wheelchair or adaptive stroller cannot be safely used with the IndieTrainer System * They already have an individually prescribed power wheelchair * If the Principal Investigator, a licensed physical therapist, determines that based on the child's medical and health history, that they cannot safely participate in power wheelchair skills training.