fa بررسی ارتباط اختلالات اسکلتی عضلانی با نتایج حاصل از معادله فاکس و ضربان قلب حین کار، در کارگران یک کارگاه سد سازی ایمنی فرآیند Process Safety پژوهشي Research <p align="right">چکیده</p> <p> <strong> Background and aims </strong></p><p> <strong> </strong>Musculoskeletal Disorders are prevalent in construction workers in comparison to other working groups. These workers in damming construction worked at awkward  postures for long times, so ergonomic assessment of jobs was important. </p><p> <strong> Methods </strong></p><p> <strong> </strong>This is a descriptive-analytical cross sectional study that conducted in 2008 on a random sample of workers of damming construction in Takab city (110 men) who were assessed by Nordic Musculoskeletal questionnaire and digital indicator for heart measurement. To estimate </p><p> Vo2max consumption Fox equation was used and data were analyzed by SPSS software. </p><p> <strong> Results </strong></p><p> <strong> </strong>The average of total time of worked was 36.6 86.8 months. Results showed that the  most prevalent (%55.5) MSDs was low back pain which was positively related with type of job,  the number of standing and sitting posotions at work, total time of work, age, smoking, level of   education, weight,Vo2max that estimated by Fox Equation, and heart rate at working (P<0.05). </p><p> <strong> Conclusion </strong></p><p> <strong> </strong>The results of this study reveal that prevalence rate of musculoskeletal disorders are high among damming construction workers, and heart rate and Vo2max consumption increases with increase in work load. Therefore, optimal physiological conditions should be considered  and physical capacity be measured. Prior to employment of workers approperiate corrections are  warranted </p><p>  </p><p>  </p><p>  </p> اختلالات اسکلتی عضلانی ، ماکزیمم اکسیژن مصرفی ،ضربان قلب حین کار،کارگران سد سازی،ارگونومی damming construction workers, musculoskeletal disorderVo2maxconsumption, heart rate, ergonomic position 55 60 http://ioh.iums.ac.ir/browse.php?a_code=A-10-3-19&slc_lang=fa&sid=1 J. Nasl-Saraji جبرائیل نسل سراجی jnsaraji@tums.ac.ir 1360031947532846003000 1360031947532846003000 Yes Tehran University of Medical Science. H. Zeraati حجت زراعتی 1360031947532846003001 1360031947532846003001 No Tehran University of Medical Science. GR. Pouryaghub غلامرضا پوریعقوب 1360031947532846003002 1360031947532846003002 No Tehran University of Medical Science. L. Gheibi لیلا غیبی 1360031947532846003003 1360031947532846003003 No Tehran University of Medical Science.