Oh no! This video is currently not available. Want to win a crossfit trip to Dubai with Lukas? Check out the 1 Minute Challenge right here and you are one step closer to the heat.

However, the cliché that abs are made in the kitchen is true, she told Insider. If you aren't lean enough, your ab muscle won't be visible. Brooke Wells, the fifth "Fittest Woman in the World," has ...

Elevate your abs sessions way above the plankers with the fiendish toes-to-bar move. Learn these four progressions and you’ll raise the standard of your core workouts for good. This is on the trickier ...

My training motto: The hardest path leads to the greatest reward. And this 100-rep toes-to-bar challenge is hard. Absurdly hard. It’ll challenge you physically and mentally. It’ll make your abs scream ...