The starburst side plank variation strengthens the shoulders, abs and obliques. Here's why we love it at Tom's Guide.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Bored of planks and crunches? Why not try mixing things up with a killer ab ...

George Hood completed around 1,500 sit-ups per day to train for the feat. An Illinois man who spent the past several months training seven hours a day, including 1,500 sit-ups daily, has broken the ...

Ever wonder how long you need to hold a plank to get results — without hanging out in the pose for a second longer than you need to? Us too. We’re going to get into the details (spoiler: there are a ...

Have you noticed planking seems to make time slow down? Besides being a time machine, planking has many benefits that go far beyond just being a replacement exercise for sit-ups, crunches and leg ...

Sit up and take note, folks. UK-based personal trainer James Stirling, known on Instagram as @London_Fitness_Guy, has taken to the platform to share his insights on what does and does not build core ...

There are two kinds of people in this world: People who want to work their core and people who consider core exercises their worst nightmare. But regardless of which camp you fall into, if you are ...

If you have or have not tried the PT Pyramid, summer is a perfect time to learn this classic workout and take it to new levels. For decades, the Calisthenics Pyramid has been a staple in military ...

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When I heard the record for a woman holding an abdominal plank was measured in hours and not minutes (a whopping 4 hours 19 minutes and 55 seconds), I honestly couldn't believe it. I get the full-body ...