Another week, another plank challenge — we just can’t seem to get enough of them at Tom’s Guide. As my colleague recently ...

The dragon flag is a great leg raise or plank alternative, but not for those who would benefit from learning more about core engagement first (read: abs vs core muscles). During dragon flag ...

Boley uses the heavier weight for the leg raises, sit-ups and woodchop, switching to the lighter one for the side plank and standing crunch. The variety of moves in the workout ensures that you ...