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Models of Disability (PTA)
Nagi Model (term) | Nagi Definition | ICIDH Model (term) | ICIDH Definition | Disablement Model (term) | D.Model Definition |
---|---|---|---|---|---|
Pathology | cellular level; interruption in body's normal processes | Disease | biomechanical, physiological, or anatomical abnormality within the body | ||
Impairment | organ level | Impairment | organ level | Impairment | loss or abnormality of physiological, psychological or anatomical structure or function |
Functional Limitation | whole person; inability to perform an action or skill in a normal manner due to an impairment | Disability | whole person; inability to perform an activity in a normal manner due to an impairment | Functional Limitation | restriction of ability to perform in competent manner; whole person |
Disability | restriction/inability; social role | Handicap | restriction; social role | Disability | inability to engage in socially defined roles |