What can be considered a good measure of moderate physical activity?

Being able to talk during activity is a reliable measure of moderate physical activity. This reflects the concept of the "talk test," which is a straightforward method to assess exercise intensity. When engaging in moderate physical activity, a person should be able to converse comfortably without gasping for breath. This indicates that the activity is elevated enough to exert oneself but not so strenuous that talking becomes difficult.

In contrast, breathing heavily might be associated with higher-intensity exercise rather than moderate levels. Feeling fatigued after exercise can occur at various intensities and does not specifically indicate moderate activity; it might suggest overexertion. Excessive sweating can also occur during high-intensity workouts but is not a definitive sign of moderate activity, as some individuals may sweat less than others regardless of the intensity. Hence, the ability to talk comfortably during activity serves as a clear and effective gauge for identifying moderate intensity.