Name of instrument	Age range	Use
Ashworth Scale8,9 and Modified Ashworth Scale9	Any Age	Method of measuring muscle spasticity
Caregiver questionnaire10	Any age	Cerebral palsy–specific measure of the effect of interventions on personal care, positioning, transferring, comfort, integration, and communication from the perspective of the caregiver
Child Health Questionnaire10	Child form: five to 18 years	Assesses a child’s physical, emotional, and social well-being from the perspective of the parent or guardian and, in some instances, from that of the child.
	Parent/caregiver form: any age
Functional Independence Measure (WeeFIM) for children11	Six months to seven years	Measures functional performance in three domains: self-care, mobility, and cognition
Gross Motor Function Classification System for Cerebral Palsy patients12	One to 12 years	Assesses self-initiated movements (e.g., walking and sitting) over time and categorizes patients based on functional abilities and limitations; useful for planning interventions and evaluating outcomes
Pediatric Evaluation of Disability Inventory13	Six months to seven years	Measures capability and performance of functional activities in three domains: self-care, mobility, and social function
Wong-Baker FACES Pain Rating Scale14	Three years and older	Assesses intensity of pain using drawings of six faces whose expressions represent varying degrees of pain