Former Fittest Woman on Earth Katrin Davidsdottir keeps her core strong with exercises including deadbugs and side planks
Katrin Davidsdottir takes part in “Strength in Depth” in London in June 2022.Sean Ellison CrossFit athlete Katrin Davidsdottir has always had a six-pack, but her core wasn’t always strong. The former Fittest Woman on Earth said neglecting her core led to a hernia. Davidsdottir now does a lot of core exercises, including deadbugs, side planks …