Grab a stop watch and add this ab circuit three times this week.  Feel the burn and watch your waist whittle.

Ab Circuit

Bicycle Crunch     15 Sec
Suitcases              30 Sec
Toe Touches         45 Sec
Plank                    60 Sec
Toe Touches         45 Sec
Suitcases              30 Sec
Bicycle Crunch     15 Sec