The runner's plank is an alternative I use as a certified trainer when sit-ups aren't possible, and this is exactly how to do ...

The next level of course would be the side plank, a challenging variation of the original abdominal bad boy. The side plank is going to teach you how to brace your core in order to build your obliques ...

Planks are a great exercise for your core and entire body. Here's how to do a few different types of planks to get the health benefits.

The plank exercise is an old-school isometric core exercise that originated with yoga practices and has since been a standard part of mainstream bodyweight workouts. It's a top-shelf ab move that can ...

To relieve lower back pain, focus on core-strengthening exercises that will improve posture and support the spine.

These 20 ab exercises and workouts will strengthen your core, whether your ultimate goal is building a six-pack or just ...

(CNN) — Planks are widely considered by fitness experts to be a fantastic exercise to strengthen the muscles in your core and elsewhere, no matter your age or physical fitness level. There are ...

Pilates pro Simone de la Rue demonstrates how to do a plank jack—aka the ultimate cardio and core-strengthening move—with proper form. A little known fact about planks: In addition to working nearly ...

‘In your 20s and 30s, being able to plank for 45-60 seconds is a solid marker of good core endurance,’ says PT Joseph Webb, ...

From the gym to your own living room - plank exercises are everywhere and are considered one of the most effective ways to strengthen your core and get a flat stomach. But why are they so effective?