Methods: Taking aerobic and overload training as exercise model to determine the expression and distribution of NOS and apoptosis in liver tissue of rats with the immunohistochemical method.

• 方法:以大鼠有氧训练和疲劳训练为运动模型,采用免疫组织化学的方法测定大鼠肝组织的NOS和细胞凋亡的表达分布。