Praxiology of rats in two groups: The rats in the LPS group moved more slowly in mean speed and 30-minute movement distance at days 7,14,21,28 as compared with before operation.

• 两组大鼠行为学观察:脂多糖组大鼠术后7,14,21,28d的平均运动速度、30min内运动距离较术前呈进行性减少,生理盐水组大鼠运动指标无明显变化。