><SCRIPT language=javascript>document.write("<span id=ad_dst"+ad_dst+"></span>");ad_dst = ad_dst+1;</SCRIPT><SPAN id=ad_dst2></SOHUADCODE></SPAN> 一般来说,脑力活动中能间插做一次广播体操,形成规律,最为理想。久坐后容易出现暂时颈部酸痛,如果通过颈部活动的放松,仍觉酸痛,则应进行专门检查。</P>
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