71-year-old cancer survivor breaks world record for planking
MINNETONKA, Minn. - A senior citizen who recently finished cancer treatment broke the world record for planking. 71-year-old Andy Steinfeldt didn't even know what a plank was a few years ago - and now he holds the Guinness World Record for the exercise, according to Lakeshore Weekly News, Steinfeldt joined a gym a few years back and reportedly was put through a series of exercises to make sure he was fit enough to use the equipment without supervision.