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Evaluation of Work Posture Using RULA and REBA Methods and Ergonomic Intervention Design in a Brownies SME in Bogor Novia Rahmawati; Purana Indrawan; Annisa Kartinawati; Derry Dardanella; Fattah Jati Pangestu; Aurelia Rafandita; Akhfas Zidan; Cinthya D. Masithoh; Desvita Anggraeni; Dyanchalenda H. Yunanto; Kaila F. Ocsadira; Najwa S. Nainggolan
G-Tech: Jurnal Teknologi Terapan Vol 9 No 4 (2025): G-Tech, Vol. 9 No. 4 October 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v9i4.8065

Abstract

This study aims to analyze ergonomic conditions and occupational safety in one of brownies SME, particularly in activities involving raw material lifting, gas cylinder handling, and product packaging. The methods employed include RULA and REBA to evaluate working postures, as well as direct observation of environmental factors. The findings indicate that most worker activities fall into the medium to high risk categories, which may lead to MSDs. The RULA and REBA assessment scores indicated high ergonomic risk levels, with scores of 7 and 10 for the sack-carrying posture, 4 and 5 for the water gallon lifting posture, and 5 and 9 for the squatting posture during packaging, respectively. Workplace environmental factors were also found to be suboptimal, with poor cleanliness and sanitation that could endanger workers. As corrective measures, this study proposes the design of a multi-purpose handling trolley for transporting sacks and gas cylinders, along with an ergonomic table and chair to support workers during the packaging process. These interventions are expected to reduce injury risks, improve comfort and hygiene, and enhance worker productivity. Thus, the application of ergonomics and occupational safety principles is proven essential in creating a safe, healthy, and efficient working environment in small-scale food industries.
MINIMASI RISIKO POSTUR KERJA PETANI PADA PROSES PERONTOKAN PADI MENGGUNAKAN AWBA DAN REBA Novia Rahmawati; Ahmad Farhan; Fattah Jati Pangestu
JISO : Journal of Industrial and Systems Optimization Vol. 9 No. 1 (2026): Juni 2026
Publisher : Universitas Maarif Hasyim Latif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51804/jiso.v9i1.52-59

Abstract

ABSTRAK Proses penanganan dan perontokan padi pada sektor pertanian masih didominasi oleh aktivitas manual dengan postur kerja yang tidak ergonomis, sehingga berpotensi menimbulkan gangguan muskuloskeletal (MSDs). Penelitian ini bertujuan untuk menganalisis tingkat risiko ergonomi menggunakan metode Agricultural Whole Body Assessment (AWBA) dan Rapid Entire Body Assessment (REBA), serta mengusulkan rancangan alat bantu penyangga perontok padi berbasis ergonomi. Pengumpulan data dilakukan melalui observasi langsung dan wawancara terhadap enam petani di wilayah Panjatan, Kulon Progo. Hasil analisis menunjukkan bahwa sebagian besar aktivitas kerja berada pada kategori risiko sedang hingga tinggi, yang mengindikasikan perlunya tindakan perbaikan dalam waktu dekat. Postur kerja membungkuk, gerakan berulang, serta durasi kerja yang lama menjadi faktor utama penyebab tingginya risiko ergonomi. Berdasarkan temuan tersebut, dikembangkan usulan desain alat bantu penyangga perontok padi dengan tinggi kerja yang dapat disesuaikan (±85–95 cm), dilengkapi meja masukan dan saluran keluaran gabah untuk meningkatkan efisiensi kerja. Rancangan ini diharapkan mampu memperbaiki postur kerja, mengurangi beban fisik, serta menurunkan risiko MSDs pada petani. Dengan demikian, intervensi ergonomi yang diusulkan berpotensi meningkatkan kenyamanan, keselamatan, dan produktivitas kerja di sektor pertanian. ABSTRACT   Rice handling and threshing processes in the agricultural sector are predominantly performed manually, often involving non-ergonomic working postures that increase the risk of Musculoskeletal Disorders (MSDs). This study aims to evaluate ergonomic risk levels using the Agricultural Whole Body Assessment (AWBA) and Rapid Entire Body Assessment (REBA) methods, and to propose an ergonomic support tool design for rice threshing activities. Data were collected through direct observation and interviews with six farmers in Panjatan, Kulon Progo. The results indicate that most work activities fall within moderate to high-risk categories, suggesting the need for corrective actions in the near term. Awkward postures such as trunk flexion, repetitive movements, and prolonged working duration were identified as the primary contributors to elevated ergonomic risk. Based on these findings, an ergonomic support tool for rice threshing was proposed, featuring an adjustable working height (approximately 85–95 cm), along with an integrated feeding table and grain output channel to enhance work efficiency. The proposed design is expected to improve working posture, reduce physical workload, and minimize the risk of MSDs among farmers. Therefore, this ergonomic intervention has the potential to enhance comfort, safety, and productivity in agricultural work systems.