Physical activity

Physical activity (/ˈfɪzɪkəl æktɪˈvɪti/), derived from the Latin physica meaning "natural science" and activitas meaning "activity", is any bodily movement produced by skeletal muscles that requires energy expenditure. It is a fundamental aspect of human life and health, encompassing a wide range of actions and behaviors.

Physical activity is often categorized into two types: aerobic exercise and anaerobic exercise. Aerobic exercise, such as running, swimming, and cycling, involves the use of oxygen to adequately meet energy demands during exercise. Anaerobic exercise, such as weightlifting and sprinting, involves short bursts of intense activity where the demand for oxygen exceeds the oxygen supply available.

Physical activity can also be classified as structured exercise or unstructured physical activity. Structured exercise refers to planned, repetitive, and purposeful physical activity, such as a workout in a gym or a yoga class. Unstructured physical activity refers to any physical activity that is not planned or structured, such as walking to the store or gardening.

Physical activity has numerous health benefits, including reducing the risk of cardiovascular disease, diabetes, obesity, and mental health disorders. It also improves bone health, muscle strength, and flexibility, and can enhance mood and overall quality of life.

Related terms include exercise, fitness, sedentary behavior, physical fitness, and physical inactivity.

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Physical activity