Around the House
1. When you go outside to pick up your morning newspaper, take a brisk 5-minute walk up the street in one direction and back in the other.
2. If you're housebound caring for a sick child or grandchild, hop on an exercise bike or treadmill while your ailing loved one naps.
3. Try 5 to 10 minutes of jumping jacks. (A 150-pound woman can burn 90 calories in one 10-minute session.)
4. Cooking dinner? Do standing push-ups while you wait for a pot to bo...