This exercise is torture on your abs, obliques and shoulders — and no, it's not planks or sit-ups (so I tried it)

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

5 muscles that you need to stretch if you sit down all day

These stretches, which loosen up the little muscles beyond your quads and calves, should never be overlooked if you spend ...
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The Difference Between Sit-Ups and Crunches—and How to Do Them Correctly

Master these classic core exercises (they're not the same!). Javier Zayas Photography/Getty Images If you’re a fan of core exercises, chances are both sit-ups and crunches are a staple of your workout ...

If You Can Do This Many Sit-Ups After 55, Your Core Beats Most People Your Age

Find out how many sit-ups after 55 signal a strong, healthy core and use this 60-second test to track your strength over time.

These overlooked muscles are the key to aging well

From the diaphragm to the pelvic floor, scientists say improving your core strength can protect your spine and help you move ...
Yahoo

Forget sit-ups — this 10-minute standing ab workout is great for your core strength and posture

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images While classic core exercises like sit-ups, planks and crunches are ...