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

You’ll kick off the workout with a warmup that wakes up your muscles, elevates your heart rate, and activates your single-leg ...

To start each day, you switch on your core muscles to sit up in bed. Surely, then, you'd think exercises designed to strengthen this area should come as second nature? Unfortunately, this isn't always ...

Most people train their core with good intentions but poor results. Endless crunches, rushed planks, and random workouts ...

Core training has become a consistent pillar in the worlds of fitness and strength training. While health care professionals agree on its importance, there is little consensus on what truly ...

I recently discovered a three-move core-building workout from one of my favorite online fitness trainers and decided I'd use the routine every single day for the week. My goal? To build a better habit ...

Almost every gym has a gym ball (AKA Swiss, exercise or stability ball), but you rarely see it used. That’s a pity because it adds another dimension to core exercises. “One of my favorite reasons for ...

You’ve probably seen it all over your feeds: Fitness pros and physical therapists talking about “training the deep core.” But unlike crunches or Russian twists, these exercises don’t come with a pump ...

Many of my personal training clients come to me chasing six-pack abs or a trimmer waistline. While core training can help with these aesthetic goals, keeping these muscles strong is vital beyond just ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. March 22, 2022 Add as ...