Karin's answer is right on. I agree that ACSM, ACE and NASM are widely recognized, deservedly so. Your signature will not be the initials behind your name, but will be your character as a personal trainer, in the gym and beyond.
ACE and ACSM are both well-respected certifying bodies. If your intentions are to work individually, or in a fitness center environment either certification is well accepted. If your intention is to work in a clinical environment (hospital, clinic, research) ACSM is perhaps the more appropriate ch...
Many good answers. Certification does not a trainer make. I think Cross-fit for the highly trained, very fit individual could be an enjoyable break in his/her workout routine. It's certainly not for the untrained, or even moderately trained. Certification suggests education, not practice.
Good answers. It's only for the very fit and highly trained. It's certainly not for the untrained. High load, high intensity, perhaps a nice break in the training routine for a very well conditioned individual.
Interesting answers. I think that for a very well-trained, fit individual it might be an interesting break in the workout routine. It's not for the untrained, or even moderately trained, but it is certainly challenging.
All good and interesting answers. You can buy carrots, potatoes and beets at the grocer. I am generally not an advocate of an eating plan that promises financial gain as an incentive. It's not necessary and may be deleterious in the long-run.