A study published in the Journal of Strength and Conditioning Research looked at the calorie-burning effects of a 50-minute Body Pump workout. Subjects burned, on average, 265 calories during the workout. The men burned a little more calories (315) compared to the women (214).
Since popcorn is 100% whole grain, itâs also a good source of fiber, and as long as you air-pop it and donât douse it in butter, oil or salt, it wonât add much artery-clogging fat to your diet. But the findings arenât license to substitute popcorn in your diet for fruits and vegetables, says Vinson.
A small bag of popcorn from Harkins Theaters contains 250 calories, 16 grams of fat and 27 grams of carbohydrates. large popcorn from Harkins Theaters, for example, contains 20 grams of fiber, which is 80 percent of the 25 grams of fiber women need each day and 53 percent of the 56 grams men require. Popcorn supplies small amounts of vitamin A and iron, as well.