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.
Popcorn can be a healthy snack if it is low in fat content. Popcorn is a whole grain and a source of energy boosting carbohydrate. The serving size for 15 grams of carbohydrate is 3 cups popped popcorn and contains less than 100 calories.