Ergonomic assessment techniques are critical for assessing biomechanical risk factors at work in order to identify the contributing elements and minimise the occurrence of musculoskeletal diseases (MSDs), which have negative health and productivity implications for employees. This review looks at a variety of ergonomic evaluation methodologies and instruments. It demonstrates that ergonomic evaluation tools, namely postural analysis, include worker self-reports, observation methods, direct measurement methods, and sophisticated approaches for assessing postural change while doing highly dynamic tasks. These tools were created for a variety of job activities, including manual handling, repetitive chores, and static loading. Some of the instruments are designed to target certain body parts, while others are designed to target several body parts. The instruments are particularly strong in assessing recurrent tasks involving one or many body parts in standing or sitting positions. However, the tools have clear drawbacks, such as not taking into account vibration, contact stress, and damage to other body parts for tools assessing particular body parts, and the weight of different ergonomic hazards for whole-body instruments being undifferentiated. These advantages and disadvantages lead a user to analyse the nature of the work and the tasks to be appraised before picking the tools. This study recommends an integrated approach to ergonomic evaluation that includes a mix of general and particular methodologies, as well as direct measurements where possible. It aids in the appropriate selection of postural analysis tools by methodically presenting their strengths and limits, as well as emphasising improvements in ergonomic evaluation methods and approaches.
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