[Relation of the incidence of pain of the lumbar spine and the type of occupation]. / Zaleznosc wystepowania zespolów bólowych odcinka ledzwiowego kregoslupa od rodzaju pracy zawodowej.

An analysis of the frequency of pathologic changes and the occurrence of pain of the lumbar spine in persons representing such professions as grinders, welders, smiths and office workers has been made. It has been found that the frequency of occurrence of pain syndrome of the lumbar spine in the group of grinders and smiths was from 2 to 2.5 times higher than in other analysed-groups.

[Health status of the students of elementary mining and power engineering schools with special reference to arteriosclerosis and coronary disease risk factors]. / Stan zdrowia uczniów zasadniczej szkoly górniczej i energetycznej ze szczególnym uwzglednieniem wystepowania czynników zagrozenia miazdzyca naczyn i choroba wiencowa.

The investigations were aimed at an evaluation of the health status of mining-and-power engineering school pupils from the viewpoint of classification to work at a strip mine and power station. Special attention was paid to the detection of possible causes of atherosclerosis and coronary heart disease 811 boys aged 14--20 were examined. Their physical development was good. No pathologies in the respiratory tract were found. Hands force was normal. Of six analysed risk factors most frequent were: hypertension and smoking habit. The percentage of pupils affected was increasing with age: arterial hypertension (from 5.5% to 15.7%) and smoking habit (from 6.1% to 43.3%).