Swiss ball hopscotch looks exactly as tough as it sounds – GQ Magazine
Kelsey Serwa is already an accomplished competitive skier who earned a silver medal for Canada at the Sochi Winter Olympics, but her current training efforts indicate that she has big plans for the 2018 Games, too. Here is Serwa in the gym earlier this week, speeding deftly through a core workout that looks so mind-bendingly difficult that I nearly stumbled out of […]