I agree with Jamie totally. Usually, our OS here will give us 3 months sick leave to recuperate. I thought that was too long. And considering that I had quite a fast recovery rate, I went back to work at 2.5 months. If I pushed it, I could probably go back at 2 months but I decided to delay another 2 weeks. For me, driving was not a problem but getting in and out of the car was a struggle. Then I had to climb 2 flight of stairs to get to my office. The worst was getting up and down the chair numerous times a day which was super tiring. I had to hold on to the table to push myself up and boy oh boy, the knees were still so stiff. Yes, I felt good being able to get back to work but by the time I got home, I was dead exhausted. And the only benefit was that I could sleep very well due to the exhaustion. Fortunately for me, I worked on a part time basis i.e. on alternate days, so I had the next day to rest. So rushing back to work too early is not advisable unless you have no option.