Interrater reliability and construct validity of the Posture and Postural Ability Scale in adults with cerebral palsy in supine, prone, sitting and standing positions.
Objective:To evaluate reliability, internal consistency and construct validity of the Posture and Postural Ability Scale for adults with cerebral palsy.Design:Psychometric evaluation of a clinical assessment tool.Setting:Rehabilitation centres in Sweden and Iceland.Subjects:Thirty adults with cerebral palsy aged 19-22 years, six people at each level I-V of the Gross Motor Function Classification S
