Meaning of physical activity with in text reference

Answer 1

As an AI language model, I do not have a specific text reference to work with. However, generally speaking, physical activity refers to any bodily movement produced by skeletal muscles, resulting in energy expenditure. This can include activities such as walking, running, biking, swimming, and strength training. Physical activity has numerous health benefits, such as reducing the risk of chronic diseases, improving mental health, and increasing overall well-being.