I build trust through being open and honest and assuring my client that I will never ask them to do anything that I am not already 100% confident in their ability to achieve. If they listen to me, I will get them to where they want to be.
The goal of rehab shouldn't be to just get back to where you were prior to getting hurt; instead, it should be to surpass where you were before getting injured. I always strive to put the client in a position to be a BETTER athlete than they were before.
Bridging the gap between rehabilitation and performance is a gap in our industry that, in my opinion, a lot of places get wrong. We get it right here.