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

In the 1970s and '80s, medicine balls were largely underutilized by people who wanted to get stronger. These weighted balls were viewed as relevant for boxers, physical therapists -- specialists -- ...

Find out why holding a strong plank for 2 minutes after 40 is a powerful test of core strength and how to safely build up to it.

If strengthening and sculpting your core is what you're after, you've come to the right place. This workout is part of Women's Health's 30-day abs challenge. Feel free to add it to your regular ...

Spinning. Check. Barre. Check. Yoga. Check. If you’re a fitness lover, chances are you’re getting in your cardio and strength training. But one type of workout that is actually totally useful in your ...