It's Winter and it is COLD so get creative with your cardiovascular exercise. Here are some tips
to elevate your heart rate to burn calories
Take the steps not the elevator
During your lunch break take 10 or 15 minutes and walk up and down the stairs at your workplace; if steps are unavailable take a brisk walk throughout your workplace.
When watching television stand up and jog in place during commercials
Wake up 10 minutes earlier jog in place for 3 minutes then do knee lifts for 2 minutes repeat