- During commercial breaks.
- While the bath water is running.
- Before you brush your teeth.
- After putting a load of laundry in the washer.
- During the weather report.
- Before eating lunch — sneak into a conference room at work!
- Copy me and do it in the kitchen when you have a minute to kill.
No need to stick with the basic push-up; here are five fun and challenging variations. So where do you drop for 20?