Many heavy lifters do not incorporate many if any cardio features, present company included. But that is a mistake.Chicago and the suburbs offer millions of square feet of an outdoor gym during the spring and summer. Try to incorporate some nonlifting while the weather is gorgeous.Take a bike ride. There are more and more bike lanes and paths all the time. A good bike ride is great cardio. Walk or run or hike for time or distance.Check out the lakefront and get a good swim in, or play some volleyball. Your heart 10 years …