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目的观察被动吸烟对健康小鼠运动耐力的影响。方法给予实验小鼠被动吸烟10天后分别测定小鼠空白对照组、被动吸烟Ⅰ组(轻度吸烟组)、被动吸烟Ⅱ组(重度吸烟组)的负重游泳时间以及爬杆时间。结果被动吸烟Ⅰ组、Ⅱ组的负重游泳时间及爬杆时间与空白对照组相比明显减少(p<0.05),并且被动吸烟Ⅱ组在两个实验中所耗时间均显著性低于被动吸烟Ⅰ组(p<0.05)。结论被动吸烟可以使小鼠的运动耐力降低。
Objective To observe the effects of passive smoking on exercise tolerance in healthy mice. Methods Ten days after passive smoking, the weight-bearing swimming time and climbing time of blank control group, passive smoking group Ⅰ (mild smoking group) and passive smoking group Ⅱ (severe smoking group) were respectively determined. Results Compared with the blank control group, the passive swimming time and climbing time of passive smoking group Ⅰ and Ⅱ decreased significantly (p <0.05), and passive smoking Ⅱ group consumed less time in both experiments than passive smoking Group Ⅰ (p <0.05). Conclusion Passive smoking can reduce the exercise tolerance of mice.