If you thought Russian twists were Russia’s only contribution to the fitness world, that’s a gross underestimation of the country’s impact on how we work out today. Notorious for their fitness, ...

How long can you hold a plank? Three minutes? Five? (The current record is five hours, 15 minutes, and 15 seconds, by the way.) Whatever your number, you probably shouldn't brag about it too much.

How long can you hold a plank? Three minutes? Five? (The current record is five hours, 15 minutes, and 15 seconds, by the way.) Whatever your number, you probably shouldn’t brag about it too much.

If you've attended any bootcamp or fitness class ran by an overzealous personal trainer with time to kill, you may have been asked to hit the floor and assume the plank position for as long as ...

Core body strength is key for so many things; balance, posture and - a particularly popular one - building abs. The plank is probably the first move you think of when you want to do abdominal ...