'''Activity tracking''' typically describes the act of tracking physical activity<ref>https://en.wikipedia.org/wiki/Activity_tracker</ref> and is frequently measured through metrics such as steps, calories burned, distance walked/run, [[heart rate]] and related proxies for physical activity. | '''Activity tracking''' typically describes the act of tracking physical activity<ref>https://en.wikipedia.org/wiki/Activity_tracker</ref> and is frequently measured through metrics such as steps, calories burned, distance walked/run, [[heart rate]] and related proxies for physical activity. |