As long as you can pass the medical and physical, you will have no problems. I have always been rough on my body with extracarriculars, it never mattered. Remember that a lot of fed guys were in the military. Do you think that cane be abusive on the body? 
FWIW, SOG has sent me through plenty of training that one would look to be a bit "risky", to include rock climbing/rappelling, ATV and dirtbiking, etc. In my freetime, I mountain bike... still having minor issues with a shoulder that I separated last spring. LOL
My partner races motorcycles. Talk about hig-risk! :D
We bring evil things to evil people, kicking in a door near you!
."In theory, there is no difference between theory and practice. But,
in practice, there is."
- Jan L.A. van de Snepscheut
"The difference between 'involvement' and 'commitment' is like
an eggs-and-ham breakfast: the chicken was 'involved' - the pig
was'committed'."
-unknown
Working on a PhD in CQB one doorway at a time.
When the wolf attacks, he will find not all who run with the flock are sheep!