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.

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 ...

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 ...

Looking for a strong core and perfect posture? The plank is your ultimate ally! This seemingly simple exercise is a true "all ...

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 ...

The plank is a reliable ab-builder, but you've been leaving a whole side of the position on the floor if you've only ever held it in its standard form. Flip your core workout around for a new spin on ...

When it comes to building strong and defined abs, people often seek out quick hacks and shortcuts. However, the key to achieving sculpted abs lies in consistent exercise and adopting effective workout ...

Find out exactly how long to hold a plank after 50 to test your core strength, improve stability, and spot where you need ...

The starburst side plank variation strengthens the shoulders, abs and obliques. Here's why we love it at Tom's Guide.

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 ...