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Hi Raphael,
I’ve been using my elliptical machine almost daily for 40—60 minutes and the calories I’m burning (according to the machine read-out) is 600-1000 in that time frame. Are cardio machines accurate with these types of calorie read outs? Thanks — Peg
Peg,
The calories burned displayed on cardio machines is somewhat inaccurate.
Within each piece of equipment is a computer that uses standard formulas to calculate the number of calories you’re burning. The number of calories burned according to the machine is not precise and only indicates a range of calories you’ve actually burned. In many cases, the machines will overestimate by as much as 30 percent. In fact, researchers from East Carolina University found that at least one elliptical trainer overestimated the amount of calories burned during a workout session by at least 33%.
Machines take into account total body weight, but not body composition (body fat versus lean tissue). People who have more body fat and less muscle mass per pound will burn a lot fewer calories than those who have more muscle and less fat. For instance, a 140-pound woman with 20 percent body fat will burn calories more effectively than a 140-pound woman with 35 percent body fat.
I’m not a big fan of counting calories burned during exercise. I prefer to adjust activity up or down slightly based on results and energy levels. It’s easier and much more effective.
You sound as if you’re doing great so I wouldn’t worry about the calories burned from exercise. If your goal is to lose body fat, then you may need to tweak your nutrition program but the amount of cardio you’re performing is plenty.
Best of luck in your fitness goals, Peg.
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