On the Mayo Clinic site you can calculate how fit you are – look here
Not that I need to even look at that. After 20 minutes with Jillian Michaels on the 30 Day Shred DVD, I found that my fitness level was hovering around zero. I was out of breath, sweating and ached in places that I didn’t know I had muscles. I guess this is a good thing and I will persevere. At least she didn’t shout at me.