The plank feels endless—but it’s one of the most effective core exercises. Your ideal hold time depends on your age, fitness ...

Ah, the plank. It may just be one of the most intimidating exercises. Anyone who has shook their way through one knows that the isometric exercise appears simple, but is anything but. To the contrary, ...

DonnaJean Wilde, 59, holds Guinness World Records for the longest plank and most push-ups by a woman. She can plank for 4.5 hours and do 1,575 push-ups in an hour. She shared tips on how to get and ...

To do a plank, engage your core and keep a straight line from your head to your heels. Planks strengthen your core, improve balance, and help burn calories. Speak with a healthcare provider before ...

Pilates pro Simone de la Rue demonstrates how to do a plank jack—aka the ultimate cardio and core-strengthening move—with proper form. A little known fact about planks: In addition to working nearly ...

So, What Muscles Do Planks Actually Work? originally appeared on Parade. Planks are one of the most versatile and accessible exercises out there. You don’t need any equipment, and you can do them ...

If you’ve ever tried to hold an abdominal plank during a workout, you know how challenging it can be even for just a few seconds. For many people, doing a plank — which is when you support your body ...

Next time your trainer asks you to hold a dreaded minute-long plank, just remember: Your grandma can do it for much longer — well, maybe not yours, but somebody's. DonnaJean Wilde, a grandmother of 12 ...