CNN CNN Newsroom January 4, 2014 20:25:00
Not going to work. >> reporter: men have to do three pull-ups minimum to pass the marines fitness test. it takes 20 to earn a perfect score. women had to meet the same minimum. but only need eight pull-ups to score perfect. because so few passed, the marines will let them choose to hang on the bar for 15 seconds and pass without doing any pull-ups. >> wide grip stance. that works best for you. >> reporter: marine corps officials admit pull-ups are better and the flexed arm hang elicits little muscular strength adaptations necessary for a common military task such as pulling oneself over be on ...