If you are looking for a real challenge, then try doing the RKC Plank. Invented by a former Soviet special forces trainer, Pavel Tsatsouline, the Russian Kettlebell Challenge or RKC plank is a ...

Add Yahoo as a preferred source to see more of our stories on Google. While vanity muscles are nice, building a strong, stable base is crucial for all of your other gym and athletic goals. "Planking ...

When we heard the record for a woman holding an abdominal plank was a whopping 4 hours 30 minutes and 11 seconds, and that she was 58 years old, we couldn't believe it. If you're like the rest of us, ...

Love ‘em or hate ‘em, planks are a popular fitness move for a reason: they’re effective. This one move engages the entire body, especially the abs. Planks put the entire core muscle group to work, ...

When you think of Copenhagen, smoked fish and bike lanes might come to mind. But in the fitness world, it’s the name of a challenging side plank variation. A Copenhagen plank is a static bodyweight ...

Get your stopwatch out.

Planks and jumping jacks are perfectly fine workout moves. But if you combine the two together, you can actually get an even better total-body workout. Meet: the plank jack! Plank jacks involve ...

The plank is one of the most commonly performed core-strengthening exercises, and whether you're getting your heart-rate up at Barry's or at home (using a Class FitSugar video, per chance??), there's ...

So, What Muscles Do Planks Actually Work? originally appeared on Parade. Planks are one of the most versatile and accessible exercises out there. You don’t need any equipment, and you can do them ...

If you’ve ever tried them, you know side planks are challenging­—even more than regular planks. But they’re a critical move, says Keli Roberts, an exercise physiologist with the American College of ...

Vanilla ice cream, a plain cheeseburger, that little black dress-sometimes keeping it simple is actually the most satisfying. That goes for the core move youve probably done in almost every workout ...