I know lots of trainers that push supplements and «other» products to their clients in order for them to work together. (liftingrevolution.com)
Even now that behavior theory has moved on, there are still lots of trainers using punishment and outdated techniques that are harmful to the pet - owner bond. (vetbabble.com)
lots of trainers claim that muscle fatigue is what makes a muscle grow (due to TUT), not just activating it. (chadwaterbury.com)