There’s no denying that planks are a brilliant bodyweight exercise for toughening up our core. However, they often present one problem…they’re VERY hard to do, as they recruit so many muscle groups at ...
We’ve said it before and we’ll say it again — when it comes to building a rock-solid core, endless sit-ups and planks alone won’t do it. Not only does switching things up help you beat boredom, but it ...