This 30-day challenge is designed to help you progress the amount of time you can hold a plank position, essentially by holding a standard plank for longer periods. But it also helps by ...

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

That's why PS created a 30-day plank challenge you can do at home. The goal of this plank challenge is to target multiple parts of your core (obliques, abdominals, back, glutes), along with a bit ...