The Russian twist exercise pulls your obliques into the ab-burning fun—so that not even one muscle will be left behind in your next workout. Fitness woman doing twists exercise. Morning workout at ...

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When’s the last time you did Russian twists? If it’s been a while, allow us to reintroduce you to this killer core move because it’s *actually* worth doing. Russian twists work more than just your six ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Don’t fancy Russian twists? Try plank windmills instead. They're one of the ...