Background and purpose: musculoskeletal discomfort Much of the illness and disability employment constitute in the workplace. In order to prevent disorders Need to evaluate ergonomic in the Workplace. This study aimed to the relationship musculoskeletal discomfort with Ergonomic risk factors in jobs Based on the method WERA on the construction project is.Material and methods: On the this cross - sectional study, Jobs 42 workers (all workers) In the summer of 2014 in a project to build a mosque Tehran refinery martyr Tondgooyan with WERA method is evaluate. On the other hand, of Cornell questionnaires for the Assessment of musculoskeletal discomfort was used. Statistical analysis of the data collected with SPSS 16 software were performed.Results: The average age of workers 24/7 ± 12/29, Most discomfort in the back and wrist and lowest for the lower leg and buttock. WERA Average final score equals 41/8 ± 78/38 was Which reflects the high-risk tasks For prevalence skeletal disorders is. Back trouble and wrist posture with the job Milling, drilling and other jobs is significant.Conclusion: ergonomic desk design for milling and inactivity in sitting position, the use of damping and anti-vibration gloves along with Training the importance of the natural posture the drilling and similar tasks, Training of cargo correctly, especially with the method of Scott and Free and avoiding of abnormal posture in construction jobs can be to reduce ergonomic risk factors in the workplace Reduce musculoskeletal disorders.Ø²Ù Û Ù Ù Ù Ù Ø¯Ù : Ù Ø§Ø±Ø§Ø­ØªÛ â Ù Ø§Û Ø§Ø³Ú©Ù ØªÛ Ù Ø¹Ø¶Ù Ø§Ù Û Ø¨Ø®Ø´ ع٠د٠â Ø§Û Ø§Ø² Ø¨Û Ù Ø§Ø±Û Ù Ù Ø§ØªÙ Ø§Ù Û â Ù Ø§Û Ø´ØºÙ Û Ø¯Ø± Ù Ø­Û Ø·â Ù Ø§Û Ú©Ø§Ø±Û Ø±Ø§ ب٠خ٠د اختصاصâ Ù Û -د٠٠د. ب٠â ٠٠ظ٠ر Ù¾Û Ø´Ú¯Û Ø±Û Ø§Ø² بر٠ز Ø§Ø®ØªÙ Ø§Ù Ø§ØªØ Ù Û Ø§Ø² Ø¨Ù Ø§Ø±Ø²Û Ø§Ø¨Û Ø§Ø±Ú¯Ù Ù Ù Ù Û Ú©Û Ù Ø­Û Ø· کار Ù Ù Ø¹Ø§Ù Û Øªâ Ù Ø§Û Ø´ØºÙ Û Ù Û â باشد. Ø§Û Ù Ù Ø·Ø§Ù Ø¹Ù Ø¨Ù â ٠٠ظ٠ر ارتباط Ù Ø§Ø±Ø§Ø­ØªÛ â Ù Ø§Û Ø§Ø³Ú©Ù ØªÛ Ù Ø¹Ø¶Ù Ø§Ù Û Ø¨Ø§ Ø±Û Ø³Ú© Ù Ø§Ú©ØªÙ Ø±Ù Ø§Û Ø§Ø±Ú¯Ù Ù Ù Ù Û Ú©Û Ù Ø´Ø§ØºÙ Ø¨Ø±Ø§Ø³Ø§Ø³ ر٠ش WERA در Ù¾Ø±Ù Ú Ù â Û Ø¹Ù Ø±Ø§Ù Û Ù Û â باشد.٠٠اد٠٠ر٠شâ ٠ا: در Ø§Û Ù Ù Ø·Ø§Ù Ø¹Ù â Û ØªÙ ØµÛ Ù Û Ù ØªØ­Ù Û Ù Û Ø Ù Ø´Ø§ØºÙ 42 کارگر (Ú©Ù Û Ù â Û Ú©Ø§Ø±Ú¯Ø±Ø§Ù ) در تابستا٠1393 در Ù¾Ø±Ù Ú Ù â Û Ø³Ø§Ø®Øª ٠سجد Ù¾Ø§Ù Ø§Û Ø´Ú¯Ø§Ù Ø´Ù Û Ø¯ ØªÙ Ø¯Ú¯Ù Û Ø§Ù ØªÙ Ø±Ø§Ù Ø¨Ø§ ر٠ش Ø§Ø±Ø²Û Ø§Ø¨Û Ø±Û Ø³Ú©â Ù Ø§Û Ø§Ø±Ú¯Ù Ù Ù Ù Û Ú©Û Ù Ø­Ù Ú©Ø§Ø± (WERA) Ø§Ø±Ø²Û Ø§Ø¨Û â شد. ٠شاغ٠٠٠رد ٠طا٠ع٠â Û Ø¨Ù Ø§Û Û Ø Ù Ø±Ø²Ú©Ø§Ø±Û Ø Ø¯Ø±Û Ù â Ú©Ø§Ø±Û Ù Ù Û Ù ØªÛ Ù Û â باشد. Ø¨Ø±Ø§Û Ø§Ø±Ø²Û Ø§Ø¨Û Ù Ø§Ø±Ø§Ø­ØªÛ â Ù Ø§Û Ø§Ø³Ú©Ù ØªÛ Ù Ø¹Ø¶Ù Ø§Ù Û Ø Ø§Ø² پرسشâ ٠ا٠٠â Û Ú©Ø±Ù Ù Ø§Ø³ØªÙ Ø§Ø¯Ù â شد. Ø¢Ù Ø§Ù Û Ø² Ø¢Ù Ø§Ø±Û Ø§Ø·Ù Ø§Ø¹Ø§Øª ج٠عâ Ø¢Ù Ø±Û â شد٠با ٠ر٠â ا٠زار Ø¢Ù Ø§Ø±Û SPSS ٠سخ٠â Û 16 ٠ر٠ش Ù¾Û Ø±Ø³Ù Ù Ø§Ù Ø¬Ø§Ù â شد.Û Ø§Ù ØªÙ â ٠ا: Ø¨Ø§ØªÙ Ø¬Ù Ø¨Ù Ù Û Ø§Ù Ú¯Û Ù Ø³Ù Ù Û Ú©Ø§Ú¯Ø±Ø§Ù 24/7±12/29Ø Ø¨Û Ø´ØªØ±Û Ù Ù Ø§Ø±Ø§Ø­ØªÛ Ø¯Ø± Ù Ø§Ø­Û Ù â Û Ù¾Ø´Øª(4/52درصد) Ù Ù Ú Ø¯Ø³Øª(22درصد) Ù Ú©Ù ØªØ±Û Ù Ø¨Ø±Ø§Û Ù Ø³Ù Øª ØªØ­ØªØ§Ù Û Ù¾Ø§ (2/3 درصد) ٠باس٠(6/1درصد) ب٠د٠â است. Ù Û Ø§Ù Ú¯Û Ù Ù Ù Ø±Ù â Û Ù Ù Ø§Û Û WERA برابر با 41/8± 78/38 Ù Û â باشد ک٠٠شا٠-د٠٠د٠â Û Ø±Û Ø³Ú© ر٠ب٠â Ø¨Ø§Ù Ø§Û Ù Ø¸Ø§Û Ù Ø¨Ø±Ø§Û Ø´Û Ù Ø¹ اخت٠ا٠ات Ø§Ø³Ú©Ù ØªÛ Ù Ø¹Ø¶Ù Ø§Ù Û Ù Û â باشد. Ù Ø§Ø±Ø§Ø­ØªÛ Ú©Ù Ø± Ù Ù Ú Ø¨Ø§ Ù Ø¶Ø¹Û Øª Ù¾Ù Ø³Ú Ø± Ø´ØºÙ Û Ù Ø±Ø²Ú©Ø§Ø±Û Ø Ø¯Ø±Û Ù â Ú©Ø§Ø±Û Ø Ù Û Ù ØªÛ Ù Ø¨Ù Ø§Û Û Ù Ø¹Ù Ø§Ø¯Ø§Ø±Ù Û â باشد. (05/ 0P