Hey there,
I'm just curious whether bad technique at the gym stunt growth or not. It lasted for a whole year or so until someone told me I was doing several exercises wrong. This includes both gym machines and exercises with regard to lifting weights.
I'm 17 years old male, almost 18, from the UK and my current height is 165 cm (5'4/5'5). Parents height is 178 cm (5'10) and 163 cm (5'4-ish) for my dad and mom respectively.