This simple yet powerful move has become a go-to exercise among U.S. fitness experts because it strengthens the core, ...

You've probably done a plank or two in your time. Maybe even groaned through a shaky 30 seconds or challenged yourself to a two-minute burn. But a clear difference exists between a basic plank and a ...

(CNN) — Planks are widely considered by fitness experts to be a fantastic exercise to strengthen the muscles in your core and elsewhere, no matter your age or physical fitness level. (CNN) — Planks ...

No one knows for sure who invented the plank, but some credit Joseph Pilates, who created the Pilates exercise regimen in the early 1900s. What is clear, however, is that the plank became the favored ...