Anyone have any experience with Nexplanon (the arm implant birth control)?

While researching BC options I read that strain might cause the implant to shift and cause pain. As climbers obviously we're using our arms quite a bit and I'm worried it might impact the implant.
Thanks for any insight! 

I had one for 3 years and never had any discomfort. I couldn't feel it at all.  It worked well for me and I was glad not to have to have to remember to take a pill every day or get a shot every quarter.

Absolutely HATED mine. Removed after 4 months caused pain in my arm. My skin was healing around it so literally had to be ripped out and had wierd phantom pain when it was gone. Never again. Small IUD. WAY to many hormones

I have had the Nexplanon for ~ 2 years now and have never had any pain in my arm and my implant has not shifted.  It totally works for me and I would highly recommend it :).  

I've had Nexplanon for ~7 years (I've had it replaced once) and been climbing for the last 4 years. Aside from some spotting when I had it put in the first time and again the second time, I've had no issues. I like it a lot. 

No issues with it moving around. I've put it through the ringer (offwidth, comp crossfit etc). However if it is inserted wrong, THAT is painful (and easily redone) - you'll know right away if this happens because any time that spot on your skin is touched, it hurts. Not sure if it was harder to insert on me because the nurse wasn't used to muscular arms, or she just wasn't very good. 

Thanks everyone! lots of insight here, classic case of one size does not fit all.
Glad most of you had positive experiences.