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Those postures can cause microtrauma on the musculoskeletal system that accumulates, which in turn can lead to chronic injury. To assess how problematic a posture is, the rapid upper limb assessment (RULA) scoring system is widely employed by the industry. Even though it is a very quick and efficient method of assessment, RULA is not a biomechanics-based measurement that is anchored in a physical parameter of the human body. As such RULA does not give a detailed description of the impact each posture has on the human joints but rather, an overarching, simplified assessment of a posture. To address this issue, this paper proposes the use of joint angles and torques as an alternative way of ergonomics evaluation. The cumulative motion and torque throughout a trial is compared with the average motions and torques for the same task. This allows the evaluation of each joint\u2019s kinematic and kinetic performance while still be able to assess a task\u201cat-a-glance\u201d. To do this, an upper human body model was created and the mass of each segment were assigned. The joint torques and the RULA scores were calculated for simple range of motion (ROM) tasks, as well as actual tasks from a TV assembly line. The joint angles and torques series were integrated and then normalized to give the kinematic and kinetic contribution of each joint during a task as a percentage. This made possible to examine each joint\u2019s strain during each task as well as highlight joints that need to be more closely examined. Results show how the joint angles and torques can identify which joint is moving more and which one is under the most strain during a task. It was also possible to compare the performance of a task with the average performance and identify deviations that may imply improper execution. Even though the RULA is a very fast and concise assessment tool, it leaves little room for further analyses. However, the proposed work suggests a richer alternative without sacrificing the benefit of a quick evaluation. The biggest limitation of this work is that a pool of proper executions needs to be recorded for each task before individual comparisons can be done.<\/jats:p>","DOI":"10.1007\/s12652-020-01926-y","type":"journal-article","created":{"date-parts":[[2020,4,15]],"date-time":"2020-04-15T17:02:32Z","timestamp":1586970152000},"page":"6093-6105","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Analyzing the kinematic and kinetic contributions of the human upper body\u2019s joints for ergonomics assessment"],"prefix":"10.1007","volume":"11","author":[{"given":"Dimitrios","family":"Menychtas","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alina","family":"Glushkova","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sotiris","family":"Manitsaris","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,4,15]]},"reference":[{"key":"1926_CR1","doi-asserted-by":"publisher","unstructured":"Antwi-Afari M, Li H, Edwards D, P\u00e4rn E, Seo J, Wong A (2017) Biomechanical analysis of risk factors for work-related musculoskeletal disorders during repetitive lifting task in construction workers. 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