While Watching TV
While Watching TV1. During a commercial break, run up and down the stairs in your home or apartment building. Do two sets for 5 minutes each. (90 calories) 2. While standing in front of your couch, squat and hold the position just above the seat cushions for one minute. Repeat 4 times. (80 calories) 3. Sit on an exercise ball and do one minute of ab curls. Repeat four times. (50 calories) [Photo via]