Why not use an ab wheel to work muscles harder during planks? It's a good way to change things up and the variation challenges balance and stability, activating muscle groups all over the body.

Seven-minute planks are challenging enough, but abs wheel planks take the bodyweight core exercise to a whole new level of ouch. I dedicated seven minutes each day for one week to see what, if ...

This core-crushing breakdown highlights 10 plank variations designed by trainer Jade Morning to upgrade your abs routine and ...

Some people love to train abs for vanity, but I love to train abs for strength (about 20 percent of my motivation is for vanity purposes). There are a lot of different ab exercises you can do for a ...

This is a full-body exercise, but it also tests your stability, balance and control by holding your muscles under tension the ...

Balance on your hands and toes with your body in one straight line, hands underneath your shoulders and feet hip-width distance apart. To make this move more challenging, elevate your feet onto a step ...

Planks are unbeatable when it comes to effective abdominal and back training. Photo: Getty Images The plank is one of the most well-known exercises for the abdominal muscles. However, if done ...

Personal trainer to the stars Ramona Braganza helps you perfect your plank form so you get the most out of your ab-flattening workout moves. palms facing down. Extend your legs, and lift up on your ...

Planks are the best. You can do them anywhere, and they work practically every muscle in your body (well, as long as you do them correctly). They're definitely one of the best exercises for your core, ...

Planks are pretty much the gold standard when it comes to core workouts — especially since most experts agree that we should avoid sit-ups like the plague. While plank variations can get fancy — with ...

Even if you love planks, they can become a bit boring day after day. The good news: You have some options. You can either strive to extend the amount of time you can hold your planks — the current ...