Process and Models of Disablement Definition of Disablement • It is a term that refers to the impact(s) and functional consequences of acute or chronic conditions, such as disease, injury, and congenital or developmental abnormalities, on specific body systems that affect basic human performance and an individual’s ability to meet necessary, customary, expected, and desired societal functions and roles. Pathology Alteration of anatomy or physiology due to disease or injury. Impairments Alterations in anatomic, physiologic, or psychologic structures or functions as the result of some underlying pathology. Functional Limitation Restriction in the ability to perform an activity in an efficient, typically expected, or competent manner. Disability Inability to perform activities required for self-care, home, work, or community roles.