“…The scales and questionnaires from which the majority of items were identified were: Rivermead Mobility Index (Collen et al, 1991), Barthel Index (Shah et al, 1989), Functional Independence Measure (Haigh et al, 2001), Stroke Rehabilitation Assessment of Movement (Ahmed et al, 2003), Spinal cord Independence Measure (Catz et al, 1997), Elderly Mobility Scale (Smith, 1994), Clinical Mobility scale (Ware Jr, 1987), Environmental status scale (Stewart et al, 1995), Short form 36 (Ware Jr and Sherbourne, 1992), Community Balance and Mobility scale (Howe et al, 2006) and Environmental Analysis of Mobility Questionnaire (ShumwayCook et al, 2003). In addition to these scales, items were also extracted from certain ambulation profiles including functional ambulation categories (Kollen et al, 2005), Hauser Ambulation Index (Hauser et al, 1983) and Modified Emory Functional Ambulation Index (Baer and Wolf, 2001).…”