Ham, a PT and women's strength coach, says standing ab exercises are the floor-free way to train your core muscles and ...

But, unlike crunches, which isolate your rectus abdominis, planks activate your entire core, from your deep stabilizing muscles to your obliques and lower back.

Crunches, teasers, planks, and body-weight squats are some of the best stomach exercises for stronger abs. A strong core improves balance and posture.

Brace your abs and raise your legs until your toes touch the bar. Lie back on a Swiss ball and hold a dumbbell on your chest ...

Discover why crunches damage your spine and learn the superior core exercises that build real strength without the back-breaking risks.

There is an optimal time to hold a plank for benefits, per trainers. Here's how long to strengthen your core with planks and how it compares to crunches.

You don't need crunches or planks to build strong core muscles, this three-move kettlebell abs workout only takes 15 minutes.

There is an optimal time to hold a plank for benefits, per trainers. Here's how long to strengthen your core with planks and how it compares to crunches.

I always start my workouts with planks, then do crunches, then my workout. Some of the benefits of doing planks are that they: ...

You don't need crunches to get a flat stomach. You need full-body workouts that utilize multiple muscles to learn strength, and squat, and define your midsection.

But, unlike crunches, which isolate your rectus abdominis, planks activate your entire core, from your deep stabilizing muscles to your obliques and lower back.