According to the International Classification of Functioning, Disability and Health (ICF) model, a dynamic interaction exists between one’s health condition and contextual factors. Within the ICF model, the components of
functioning are body structure/body function, activity, and
participation. Each component is linked to the others such
that changing one can affect the others in a nonlinear manner. Furthermore, these components are affected by both
environmental and personal factors.Environmental
modifications, such as adaptive seating devices, are used
clinically to improve postural control and, in some
cases, resultant improvements can be anticipated also in
the activity and participation components of the ICF model