Know how you feel dude, 10 years ago when I was in the military I did 17 hang-ups, 80 crunches under 1 minute, 60 push -ups and ran 3 km at 12 minutes, and this was me on 20 cigarets a day habit and never worked out a day in my life. Now I am overweight and can't even do one hang-up.
God I have to get back in shape.......