I had a 25-6.5PRC rig built on a Tikka last year and have been really happy with it. Details in this thread: https://www.hunttalk.com/threads/developing-loads-for-the-25-6-5prc.331391/
Man, I hate being touched and an athletic massage is not exactly relaxing. My therapist beats the $#!% out of me, but the next few days after I feel like I'm walking on air. Recommend giving it a shot.
Dude, I just listened to a Hunt Backcountry podcast episode with a dude who is paraplegic and often solo hunts from a hand-powered wheelchair. He has definitely got some grrr in him.
You'll be fine, you might just have to recalibrate a little bit of what you do and how long it takes you to do...