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Background: Construction workers have the second rank in injuries due to musculoskeletal disorders (MSD). The purpose of this study was to evaluate the ergonomic status of construction jobs using the National Institute for Occupational Safety and Health Center to Protect Workers’ Rights (NIOSH-CPWR) checklist and Nordic Musculoskeletal Questionnaire (NMQ).Methods: This descriptive-analytical and cross-sectional study was carried out on 106 construction workers in Ahvaz, Iran. The research instruments used in this study were the NMQ and NIOSH-CPWR checklist which includes 11 sections. The NMQ was completed for 106 construction workers. Data were analyzed in SPSS software.Findings: Shoulder (3.61%), back (4.59%), and knee (7.54%) disorders had the highest prevalence among MSDs in the subjects. In addition, 5.74% of jobs had repetitive movements. Among the workers, 9.68% had to work on their knees more than an hour a day and 5.75% had to bend and twist their bodies during tasks. Most construction site surfaces were rough and tough for walking and working.Conclusion: MSDs occur among construction workers shortly after they began their work. Thus, the use of tools and equipment designed according to ergonomic principles, managerial controls, instructions training, and compliance with the relevant standards by managers and systems monitoring construction activity and workers’ health are necessities in workplace health monitoring.

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