Want to run better? Stop doing sit-ups – here are five expert-recommended functional core movements to do instead.

They’re safe, effective, easy to follow, and focused on the deep core muscles that support posture and balance.' ...

While exercises like sit-ups and crunches work the rectus abdominis, or "six-pack" muscles, this simple-looking exercise ...

This simple floor exercise is redefining how Americans train their core—without crunches, machines, or strain on the spine.

Exercises like dead bugs help lengthen and strengthen the hip flexors in a controlled position, which improves form and can help offset the effects of sitting too much, adds Dickinson. Lie faceup, ...

No offense to sit-ups, planks, and hollow holds, but basic core exercises can feel drab day after day. They work the abdominals, but if you’re looking for stronger, sculpted abs, let me introduce you ...

Kettlebells are a versatile, beginner-friendly modality that can make your core workouts more effective and varied, plus they’re fun! Remember: meet yourself where you’re at. Even adding just one or ...

While sculpted abdominal muscles are often featured in advertisements, social media posts and magazine articles, there is more to strong abs than good looks. Strong abdominal muscles are key to ...

Side planks trains your obliques with movements like twisting and rotating. Leg raises help strengthen your lower abs and hip ...

Side belly exercises after 45: 4 standing moves that hit the obliques and tighten your waist, from Jarrod Nobbe, MA, CSCS.