What's jumping on the trampoline going to do to me?(for pediatrician only!!!!!)?

I'm 15 "5-8" and actually plan on getting taller by jumping on the trampoline but the problem is that some people are saying it's actually going to make me shorter.They say it compresses your spine and etc...Will it get me shorter,taller or none.Please answer with a explanation and a site if you have any.Also this question is for pediatricians only!!!!!also i jump on it for 45 minutes a day