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

From rotational movements like kneeling wood choppers to static holds like plank saws, each exercise challenges the core muscles in different ways to help improve definition and build greater ...

The triceps are the first to give out during push-ups, and mine were trembling toward the end of the 70 reps each day. My ...

For a plank challenge, 15 days is the sweet spot. At this point I saw and felt progress, but I wasn't bored. I think like any ...