Grab a bar above your head and pull your chin over it. The pull-up sounds simple, yet for a majority of adults, it’s an impossible task.
The last time most of us tried to do a pull-up was during the mandatory fitness tests of high school gym class. Self-conscious teens watched as a few fit peers cranked out an endless supply of pull-ups with a rhythm as smooth as walking. In comparison, many kids could barely make one. Several struggled just to hang from the bar.
