Originally Posted by superfittennis
Want to know something really scary? Fitness trainers are not required to have a certification or license in order to train people. A snake oil salesman could legally train and prescribe a cardio program to your uncle who has just had his 3rd heart attack. Who you let train your kids is up to you! Do your research first.
Actually the scariest thing is the sheer number of certifications out there, some of which require very little actual knowledge of physiological systems.