Activities of daily living (ADLs) is a term used in healthcare to refer to an individual's daily self-care activities. Health professionals often use a person's ability or inability to perform ADLs as a measure of their functional status. The concept of ADLs was originally proposed in the 1950s by Sidney Katz and his team at the Benjamin Rose Hospital in Cleveland, Ohio. Since then, numerous researchers have expanded on the concept of ADLs. For instance, many indexes that assess ADLs incorporate measures of mobility.
In 1969, Lawton and Brody developed the concept of Instrumental Activities of Daily Living (IADLs) to capture the range of activities that support independent living. These are often utilized in caring for individuals with disabilities, injuries, and the elderly. Younger children often require help from adults to perform ADLs, as they have not yet developed the skills necessary to perform them independently. Aging and disabilities, affecting individuals across different age groups, can significantly alter a person's daily life. Such changes must be carefully managed to maintain health and well-being.