Background: Job back pain is of the most common occupational injuries in the world that affects people's physical and mental health. The purpose of this study was to assess back compressive force (BCF) in manual handling tasks among workers of a chemical manufacturing company using the UTAH method. Materials and Methods: This descriptive study was carried out on a group of 35 workers doing man...

Youth and adolescents are routinely engaged in manual material handling (MMH) tasks that may exceed their strength capability to perform the task and may place them at excessive risk for musculoskeletal disorders. This paper reports on a two-dimensional biomechanical model that was developed to assess MMH tasks performed by youth 3–21 years of age. The model uses age, gender, posture of the you...

Manual material handling is common in supermarkets and may be a contributing factor to the high prevalence of work-related musculoskeletal disorders, particularly lower back. This cross-sectional study applied state-of-the-art models driven by kinematic data obtained two estimate joint reaction forces knees, shoulders lumbar spine under dynamic lifting conditions. Based on 1479 lifts from 15 wo...