Name Majid Motamedzadeh Affiliation عضو هیئت علمی سایر دانشگاههای داخل کشور Degree _ Website Email — JournalPaper Presentation Speech WorkShop Book Innovation GrantAttraction Thesis Festival FinishedProject Sales Art Membership StandardCreation Publication TheorizingChair TitleJournal 1 Design and evaluation of an ergonomic chair for near-ground welding based on muscle activity and usability WORK-A Journal of Prevention Assessment & Rehabilitation 2 Validity and reliability of the Persian version of the Dutch musculoskeletal questionnaire Medical Journal of the Islamic Republic of Iran 3 The effects of consecutive night shifts and shift length on cognitive performance and sleepiness: a field study. International Journal of Occupational Safety and Ergonomics 4 Effects of Shift Work on Cognitive Performance, Sleep Quality, and Sleepiness among Petrochemical Control Room Operators Journal of Circadian Rhythms