functional activity

func·tion·al ac·tiv·i·ty

(fŭngk'shŭn-ăl ak-tiv'i-tē) 1. A task or act that allows one to meet the demands of the environment and daily life. 2. An activity that is essential to support the physical, social, and psychological well-being of a person and allows that person to function in society.
See also: functional test