Personal Fitness Training Certifications - Which is the Best?

As someone who has worked in the fitness industry for many years, I am often ask which personal training certification I think is the "best". It's a very good question because there are so many different certifications out there to choose from. Just a few of the more familiar organizations that certify personal trainers include ACE, AAAI/ISMA, ISSA, NSCA, NPTI, WITS,...

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