In the Milky Way, about 1 in 5 stars that are like our sun in size, color and age have planets that are roughly Earth's size and are in the habitable zone where life-crucial water can be liquid, according to intricate calculations based on four years of observations from NASA's now-crippled Kepler telescope.
Varying Incline. Varying the incline is another option for interval training using a good treadmill. Exercisers that want to vary the incline for interval training should still start with a warm up period, which should be a walk or slow jog at an incline of 1.0.
Start your treadmill workout with a slower walk, increasing your pace as your body warms up, beginning at 1.5 miles to 2 miles per hour, especially if you are new to a fitness routine, according to TreadmillTalk.com.readmills allow you to walk, jog or run indoors, regardless of the weather. You can intensify your workout by adjusting the elevation or increasing your pace on the treadmill. A faster pace will provide you with a more challenging workout, both to increase your endurance and improve your cardiovascular health.