We're here to help you challenge your core (you're welcome) with this plank series. It's part of our Jump-Start fitness plan, helping you move every day for two weeks. This challenge uses all sorts of ...

Psst: it's not another plank.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Don’t fancy Russian twists? Try plank windmills instead. They're one of the ...

This is one of my favorite side plank variations. I love how it works the core and fires up the obliques. But it's also great for the shoulders and upper back. These are all areas I work on regularly, ...

All products featured on Self are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. Here we go! You've ...

A strong and toned midsection, back, and sides not only contribute to a sculpted physique but also provide essential support for daily movements and posture. Targeting these areas with a well-rounded ...

Why one trainer calls the plank variation "no joke." ...

If you’re a beginner, aim for a certain number of reps. We detail the number of reps below. For a more advanced routine, try timed rounds. Set the timer for one minute and complete as many reps as you ...