Is the treadmill not tired? It is best to go out for a walk and jog! Broad vision, comfortable mood, definitely better than at home! The air is fresher than at home. First of all, you like walking. Second, you think the treadmill is a waste. This shows that you want to buy a treadmill, electric and mechanical, which is relatively easy, regardless of the electricity bill. . . Fitness, just make yourself feel comfortable, you don't need to practice anything deliberately. So electric bar