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[Physical condition and work capacity of Vietnamese workers in the People's Republic of Bulgaria].

The expansion of integration processes on economics between P.R. of Bulgaria and S.R. of Vietnam during the eight 5-year plan period and the increased number of Vietnamese workers in Bulgaria determine the actuality and significance of the problem of the studies on their physical state and working capacity. One hundred sixty newly-come Vietnamese workers, aged between 20 and 35 were examined as well as 89 subjects, working as miners in Madan mines, with three years average length or service and average age 20-30. The following indices were used in the determination of the physical state and working capacity: height, body weight, chest measurements, vital capacity, muscular strength and hand muscular strength, time of simple and complicated visual-motor reaction. The results revealed that the group of workers, with a 3-year stay in Bulgaria, had statistically significant, higher values of the majority of the indices as compared with those of the newly-come Vietnamese. The Vietnamese workers manifested lower values of the indices for physical development (with 5 to 25%) as compared with the Bulgarians, the difference being considerably smaller in the miners' group. The future longitudinal studies on the physical state and working capacity of the Vietnamese workers will be the grounds for the elaboration of norms for physical loading, weight lifting, etc.