Why ex-convicts make the best personal trainers
![Why ex-convicts make the best personal trainers](https://thenypost.files.wordpress.com/2017/05/convict1.jpg?quality=90&strip=all)
Inside a small room on the Lower East Side, a group of sweaty, grunting females attempts pullups on crude bars. What appears to be the local county lockup — there are prison bars, a spot for mug shots and even occasional meals served on industrial trays — is actually hot fitness studio ConBody, which is...