Table 1.

ICF definitions

Terminology	Definition
Body functions/structure	Physiological functions of body systems including psychological. Structures are anatomical parts or regions of their bodies and their components. Impairments are problems in body function or structure.
Activity	The execution of a task by an individual. Limitations in activity are defined as difficulties an individual might experience in completing a given activity.
Participation	Involvement of an individual in a life situation. Restrictions to participation describe difficulties experienced by the individual in a life situation or role.