Fitness and take a deep breath before climbing the stairs to protect heart
　　Sitting all day, many people choose to climb the stairs to body-building, in addition to the joint bad people, this is really good way to enhance heart and lung function. Because climbing stairs can enhance myocardial contraction, accelerate blood circulation. But to protect heart, climbing the stairs at the beginning of “Asthma”, repeatedly do deep breathing exercise to achieve the “make a surge” effect.
　　The doctor explained, because the cardiovascular system have inertia, than the physical movement of reaction lag began to climb the stairs, the first “to make a catch,” to prepare in advance for the cardiovascular system activity.