Most docs WON"T do both at the same time, mine said your a tough guy, you can handle it...

I won't lie, first 10 days were rough, but doable, and it gets better fast...
Yes, kneeling on the hard floor or ground is uncomfortable, you need knee pads, at least, and running might not be in your future, why you would want to run is besides me anyway, lol
Feel free for more helpful advice!,
