Reliability and Validity of Modified Postural Assessment Scale for Stroke Patients and the Application of This Scale on Early Detection of Patients With Stroke at High Risk of Falls

Inclusion Criteria: * between 30 and 80 years old * first onset or recurrent stroke as a result of a single cerebral vascular accident (ischemic or hemorrhage stroke) * ever received medical or rehabilitation therapies at National Taiwan University Hospital * being willing to take the clinical assessments and accept the vedio record Exclusion Criteria: * having unstable vital sign, unconsciousness, or having serious cognitive, perception, and language impairment, and being unable to follow the order of the experimenter * having other neurological diseases(ex. Parkinson's disease or cerebellar disease etc.), or moderate to severe neuromuscular or musculoskeletal disorders, or disorders from systematic diseases those will influence the balance performance other than stroke