ANALISIS TINGKAT RISIKO ERGONOMI PADA MAHASISWA TEKNIK INDUSTRI DI LABORATORIUM KOMPUTER DENGAN MENGGUNAKAN NORDIC BODY MAP DAN METODE RULA

Abstract

Industrial Engineering students in the computer laboratory are at risk of experiencing ergonomic problems due to prolonged static sitting postures and workstations that do not comply with ergonomic principles. This study aims to analyze the level of ergonomic risk using the Nordic Body Map (NBM) and Rapid Upper Limb Assessment (RULA) methods and to formulate ergonomic workstation recommendations in the computer laboratory of Universitas Al-Khairiyah Cilegon. This research employed a descriptive quantitative approach involving 34 respondents for the identification of musculoskeletal disorders (MSDs) complaints using NBM and 6 selected participants for detailed posture assessment using RULA. The RULA results showed an average Grand Score of 5.17 with Action Level 3, indicating moderate to high risk that requires immediate corrective action. The main risk factors were non-neutral neck and trunk postures caused by inappropriate chair, desk, and monitor dimensions. The NBM results indicated that the highest complaints were reported in the lower back, buttocks, upper back, and upper neck, with the average complaint level categorized as “Moderately Pain.” Recommended improvements include the use of adjustable chairs with lumbar support, adjustment of desk dimensions, proper monitor and keyboard positioning, and the implementation of micro-stretching exercises and the 20-20-20 rule.