Personal Trainer Certifications Which One to Choose? People always ask me which certifications are the best if they want to become [...] By HSummerton|2018-11-06T21:46:08+00:00February 27th, 2013|Categories: Blog|Tags: corrective exercise, FMS, movement screening, nasm, NCCA accredited, nsca, personal trainer, personal trainer certifications, personal trainer tucson, RKC, strength training, Strongfirst|