While crunches have their place they are far from the only or best option for building a strong core Incorporating these ...

Although crunches seem easy ... Start by lying flat on your back with your legs in tabletop position and your hands behind your head. Bend the left knee and straighten the right leg at a 45 ...

Ciampa performs just four strength moves, all of which can be performed at home: Pushups, pullups, crunches, and dead bugs.