The better shape one is in going into surgery the quicker the recovery. Those initial days after surgery you MUST get up and walk as much as possible. No power walking of course, just enough to keep blood moving and lungs too. I did 10 minutes and hour, went back and rested, then up again next hour---- same thing. I used a walking stick for support. Also listened to (and tried to sing to) pop music. Lady Gaga got me go-going.