Planning a home workout? Expert shares how to get a flat belly with ab machines and the 5 types you need

Find effective home ab machines and expert tips to help you get a flat belly. Strengthen your core and improve your fitness routine today! | Health ...
Yahoo

Who needs planks? The crunch clap exercise builds powerhouse core muscles without weights

Sit-ups can be a great way to strengthen your abdominal muscles that sit around your stomach. But they can quickly get repetitive and its easy to accidentally lose your form, so when boredom strikes, ...
Health

4 Bodyweight Exercises That Strengthen Your Core as Effectively as a Plank

While the plank is an excellent core exercise, several other options can strengthen your core. You can do these bodyweight ...

Not sit-ups — I have tried almost every abs exercise, and this is the one I always do

When I only have time for one abs exercise, I make it the bicycle crunch ...
Slate

Against Exercise Machines

This is an installment of Good Fit, a column about exercise. Anyone who has ever gaped through a gym’s plate-glass window or nodded off to a late-night infomercial has become familiar with the ...