I ask all my patients if they exercise. It's an important question since exercise is so important for cardiovascular health.
A common answer: "I exercise at work."
Unless you are a bicycle delivery person who covers large distances or a valet car attendant who spends most of your shift running to retrieve cars, it doesn't count. Construction and manual labor don't really count either, since those jobs involve short bursts of lifting or exertion as opposed to a sustained effort.
Granted, a job that has you moving on your feet is far better than a desk job in terms of promoting heart health. However, for true cardiovascular benefit, you should be doing something outside of your daily work that involves a sustained effort, preferably for at least thirty minutes on most days of the week.