Created: 02/21/2013 11:16 PM KSTP.com By: Maricella Miranda
High tech exercise machines crunch calories, calculate distance and even read your heart rate. But ABC News found that not all of the numbers are accurate.
Heart rate monitors can vary. Calorie counts can differ too, depending on the machine.
Experts say treadmills only take into account limited factors, such as your pace, weight and age.
It doesn't consider your running form or specific body type.