No knuckle cracking, that's bad news. And I know how many shitty trainers there are, and I feel the same way, but I've also done extensive research on my own and know that the form I use is as close to perfect as I can manage.
You look a lot better with less effort long term if your form is correct
Sent from my Droid using EliteFitness
You look a lot better with less effort long term if your form is correct
Sent from my Droid using EliteFitness