Most treadmills have incline settings anywhere from .5 to 15 percent, however some machines will go all the way up to 40 percent. In general, a one percent incline is considered to be the same resistance level as an outdoor surface. However, the number one treadmill incline benefits of using the incline on the treadmill, weight loss. Anyone who plans on using a treadmill for weight loss should make sure that the model they buy is equipped with an adequate incline.
Using an incline is a great way to increase calorie burn and muscle building during each workout. Some treadmills come with programs that will actually change the incline randomly, ensuring your body doesn't get used to the work out, and this is great for weight loss. Intensity is also a major key to weight loss, so the fact that you can change the intensity of your workout through the incline is important.
People should keep their heart rate between 70 to 85 percent of their maximum heart rate for the biggest calorie burning effect. Note, you should never exercise more than 90 percent of your maximum heart rate, as it could cause serious health issues. Using the incline, you can actually burn up to two times the calories. For example, 20 minutes on a 10 percent incline will be two times the calories of what you would burn at the same pace on a zero percent incline.