Sara Sigmundsdottir is an Icelandic CrossFit athlete and one of the sport's biggest stars. Training her core is key, and she works her abs at the end of every session, she told Insider. Sigmundsdottir ...

Icelandic CrossFit athlete Sara Sigmundsdottir initially took up the sport to "lose weight and get a boyfriend." She hated having muscles at first, but has since learned to love her strong physique.

Sara Sigmundsdottir used to get constant reminders that having muscles wasn’t beautiful. Now she gets constant reminders that traditional norms of feminine beauty are being thrown out with the trash.