Better not to skip sport from your quick slim program

Sport is very important to make a balance after you lost some fat, it makes your muscle firm and preventing the skin from cellulite that often appear after a quick slimming program. It doesn't mean you have to do heavy sport like soccer or weight lifting, but some jogging would be fine, it burns fat and make your body in shape at the same time, and most of all, the aerobic effect will be a good combination with your diet program.
So, better not to skip a light sport from your quick slim program.
Some sit up and push up would be appropriate to do, starting with 5 times repeating, so you won't feel too exhausted. Another reason to do sport is healthy matter, you don't want to walk with arching back and smokey eye although you get a slim body, do you ?