站桩时间过长会对心脏不利吗？

<img src=&quot;images/icon_smile_zt.gif&quot; border=0><img src=&quot;images/icon_smile_cool.gif&quot; border=0><img src=&quot;images/icon_smile_02.gif&quot; border=0><img src=&quot;images/icon_smile_07.gif&quot; border=0><img src=&quot;images/icon_smile_09.gif&quot; border=0><img src=&quot;images/icon_smile_evil.gif&quot; border=0><img src=&quot;images/icon_smile_02.gif&quot; border=0><img src=&quot;images/icon_smile_17.gif&quot; border=0><img src=&quot;images/icon_smile_16.gif&quot; border=0>
你觉的呢
<img src=&quot;images/icon_smile_15.gif&quot; border=0><img src=&quot;images/icon_smile_08.gif&quot; border=0><img src=&quot;images/icon_smile_21.gif&quot; border=0><img src=&quot;images/icon_smile_18.gif&quot; border=0><img src=&quot;images/icon_smile_18.gif&quot; border=0><img src=&quot;images/icon_smile_18.gif&quot; border=0><img src=&quot;images/icon_smile_18.gif&quot; border=0><img src=&quot;images/icon_smile_18.gif&quot; border=0>