Since I have hurt my knees, I get asked quite a bit "are you still training and working out?"  For some people it is out of general curiosity; and for others, the question comes with a tone of voice that says, "you're an idiot!" In all honesty, in some ways my training regime has changed a lot and in others it hasn't.  For example, cardio- I can't run, but I can use the spin bike and I am cleared to do stairs for the time being.  I absolutely loathe swimming lengths in a pool, so that is not something I will willingly partake in.  I used to use grappling a lot for cardio, but that really isn't much of an option at this point.  So the form that I do cardio has changed a lot, but I still get it done! For my regular workouts, I have been able to do upper body and core stuff as usual.  Some things were difficult at first, like planks or anything requiring me to have straight legs.  Now that I have most of my leg extension back, I can do almost any exe...