Today, more and more people prefer to use a treadmill to exercise. However, some people exercise on a treadmill after they appeared in the lumbar spine, knee and ankle joints and other parts and discomfort, which is due to people ignore the use of the treadmill due to the correct position. Some people run when used Hanxiong arched, the body center of gravity forward, it will increase pressure on the lumbar spine, lumbar spine over time will cause strain. In addition, the shock of landing run to bring the whereabouts of the impact of human feet is almost five times the weight, center of gravity forward leg and foot joints will lead to greater impact, over time there will be discomfort. Therefore, exercise on a treadmill be sure to chest and abdomen, lower back muscles to tighten. Arm can also cause physical discomfort is not correct, not about arm, this will cause the center of gravity from side to side, a negative impact on the knee, exercise on a treadmill before and after the arm when. Particularly when the sound of someone running, it is likely that the direct landing with feet. Feet floor will directly face the body's reaction spread to the spine and brain through the bone, which is why exercise on a treadmill after the first feeling uncomfortable was the reason. Should follow the foot from the heel to the floor of the transition arc mode, try to gently fall. Choose their own exercise intensity is an issue that people often overlook is generally a treadmill can detect heart rate. Generally follow the formula to calculate the target heart rate card, that is the target heart rate = [- static heart rate] ×% + static heart rate, heart rate is that the people still in a calm state of the next minute the number of pulse beats. Exceed the target heart rate you need to adjust the exercise intensity, otherwise it will cause some sports injuries. Also, pay attention to breathing and timely adjustments, it is best to call three steps, three steps suction; movement all right we should drink 10-16 degrees water, pure water or electrolyte drinks, a heart-healthy.