The fitness world has embraced a new champion in core training, and traditional sit-ups have taken a backseat. The plank, ...

Your level (beginner, intermediate ... to avoid injury and get the most from each exercise. During our 30-day plank challenge, you will extend the time you can hold a plank, enhancing your ...

This beginner ab workout has tons of modifications ... For sensitive wrists, drop to a forearm plank. Challenge: Add in a ...

Now, I know I can’t be the only yogi beginner in the world ... team and have a go at a 3-week yoga challenge. “I’m about as flexible as an oak plank,” I warned her.