Saw this pic online of Arnold and Sly both getting ready to have surgeries...:
http://omg.yahoo.com/photos/top-shots-o ... slideshow/
Even though some actors have stunt people to do the work for them, still there are some things that actors must do for themselves. I guess sometimes all that can be painful too.
And, even though these two guys may be showing their age a bit, they are still two of the most exciting, charismatic actors around these days, imho.