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采用ＢＫ振动测量仪器对３４辆次机动车振动参数进行了测量，并对２５２名司机和３２１名非振动作业工人的肾脏立卧位活动度进行了Ｂ超检测。发现机动车辆驾驶员肾脏立卧位活动度＞４ｃｍ（肾下垂）者显著高于对照组ＡＲ％Ｏ６４０６。检出率卡车司机＞客车司机＞对照组，而高年龄组的检出率有所下降，表明全身振动对人体肾脏的正常位置有一定影响，活动度的大小与振动暴露强度、年龄、体重都有关系。
BK vibration measuring instrument was used to measure the vibration parameters of 34 second-order vehicles. B-mode ultrasonography was performed on the activity of vertical position of the kidney in 252 drivers and 321 non-vibration workers. It was found that motor vehicle drivers were significantly higher than those in control group AR% O6406 when their renal activity was> 4cm (renal ptosis). Detection rate of the truck driver> bus driver> control group, while the detection rate of high age group decreased, indicating that the whole body vibration of the normal position of the human kidney have a certain extent, the magnitude of activity and vibration exposure intensity, age, weight There are relationships.