Pumping up the incline on the treadmill not only tones your tush and legs, increases your endurance, and can help you improve your speed, it also burns crazy calories — significantly more than with no incline. Need a little more proof? Check out the chart below for some inspiring numbers. *All calculations are based on a 130-pound woman. Read more

There are plenty of benefits to running uphill, but when you're racing don't take that incline too fast. A new study from Down Under found that pushing the pace while running uphill can hurt you over the long haul. It tires you out and ultimately slows you down. Australian researchers also found that running hard up the incline prevented folks from going hard on the downhill side — a great Read more

I know that I should embrace the incline while I'm running, but most of the time the thought of running hills and trudging along an angled treadmill fills me with unease. The more I think about it, though, the more I realize I should be loving the hills — and why you should, too. Here's why: You'll burn more calories. There's a pretty big difference between a totally flat treadmill and one Read more

Holy hotness. Summer weather has kicked into high gear, so I don't blame you for trading hot and humid runs outside for an air-conditioned gym. The only problem is that running on a treadmill requires less effort than running outside because the moving belt helps propel your feet forward, and there's no wind resistance to hold you back. If you're training for a marathon or just trying to keep up Read more

If you run or hike, chances are high that you're familiar with shin splints. These micro tears in the lower leg muscle that attaches to the tibia (shin bone) most often occur from overuse — when you push yourself too hard, too soon. A calf muscle that's stronger than the muscles on the front of your shin makes you prone to this injury too. We recently wrote that Jennifer Aniston pumps up the Read more

Always-in-shape Jennifer Aniston doesn't stay slim by thinking about fitness — she works for it. A source told Us Weekly, "She's obsessed with staying fit and young." The 41-year-old has been shooting her latest movie Just Go With It, and in order to feel confident wearing a bikini on the set, she hits the Four Seasons gym every day for at least an hour, and sometimes more. A guest at the hotel Read more

To keep things exciting on a treadmill, you have to mix it up, and one way to do so is to play with the incline. For folks with troublesome ankles and knees, going faster can make cranky joints even crankier. By adjusting the grade you can increase the difficulty of your workout without compromising the joints of your lower legs. If you walk on a treadmill, use that incline button to take Read more

Hayden Panettiere is one super hero who's in super shape. She tones her legs and maximizes her cardio workouts by working the incline. Adding a little uphill action to your walk or jog will boost your workout and target your backside as well. You don't need a super steep ascent to feel the benefits of working with an incline, just a slight upward angle is all you need. Increase the incline while Read more

If you run like a bounding deer on a treadmill, but as soon as you hit the road outside, you feel more like a stumbling, out of breath snail, here's a tip for building your strength and stamina. When you're running on a treadmill, raise the incline. Even a slight increase will make a huge difference. Since the treadmill belt makes running easier by propelling your feet, the incline will add more Read more