Treadmills have many advantages over real running and walking. Sure, you dont get to go outdoors in the nature, but you can also avoid bad weather and all the other hazards 고화질스포츠중계 that come with going out of your house, such as cars and passers-by. Its much more relaxing to not have to keep your mind and one eye on the potential problems, and just concentrate on your running.
Apart from that, though, there are many more serious benefits. The ground remains at the same level for the whole run, which avoids you having to constantly adjust the way youre running you can build up a pace and then keep going. Also, the run is always at the speed youre most comfortable with, and you can change it whenever you like. If you do want to run uphill, though, you can simulate that too, by adjusting the gradient of the machine.