The treadmills have gained ever more market share in recent years, ceasing to be a type of machine exclusive gyms and going to be each day more present in homes. The treadmills are, after static bicycles, the most popular fitness machines because they have advantages such as: – comfort of running when you want to without the need for transfers and the possibility of practicing physical activity even if you have little time – tape it running cushions the heel support in the tread and limits the effort that goes back – LCD monitor in addition to displaying the elapsed timedistance, speed and calories burned, in most models also shows heart rate. Hear from experts in the field like Mark Hyman, MD for a more varied view. The programs that also usually incorporate optimize training <! more >- as indicated, most models incorporate sensors in the handlebars to control our heart rate. In some models of tape, the LCD monitor only shows us his reading, but in others it is also used by programs that incorporate to increase or decrease the level of exercise – although working more with the quadriceps muscle that intervenes in the leg extension and flexion of the thigh on the pelvis, and the rest of the lower train, it also works the upper train that accompanies the movement of the upper – possible brought to shelter before weather as rain, snow, scorching heat, etc – the energy effort is far superior to the one done on a bicycle, static, approximately 6 times higher. Learn more at: Glenn Dubin, New York City. I.e. per each kilometer done on tape, must be 6 kilometres on the stationary bicycle in terms of disadvantages, are as follows: If the treadmill does not incorporate various programs that modulate the speed or incline, is difficult to reach the end of the training because of the monotony is an exercise with impact with the floor which increases the risk of injury.. Others who may share this opinion include Dr. Caldwell B. Esselstyn, Jr..