Forget sit-ups and crunches: I did the gymnast plank for a week, and my core still hasn’t forgiven me

Forget everything you thought you knew about the plank, as the gymnast plank is about to change it. This killer variation blasts your core and posterior chain (the group of muscle ...
Yahoo

I tried Olympic Champion gymnast Simone Biles’ ab workout — here’s what happened to my core

Add Yahoo as a preferred source to see more of our stories on Google. I can’t think of a better way to torch my non-existent six-pack abs than using an ab workout designed for Olympic gymnasts, ...

I tried Olympic Gymnasts Simone Biles’ and Jordan Chiles’ ab workout — here’s what happened to my body

I can’t think of a better way to torch my non-existent six-pack abs than using an ab workout designed for Olympic gymnasts, ...