There are lots of great exercises for cardio... i like running or bike riding... Check out http://www.findyourdetour.com/ they have some really great ideas and tips for activities you can do
Strength training will probably do the trick... it will make you stronger, reduce your body fat, lessen the chance of injuries, and you''l look great.. check out http://www.findyourdetour.com/.. for some really great tips..