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Here are some of the best available ergonomics assessment tools: WISHA Caution Zone Checklist. WISHA Hazard Zone Checklist. The NIOSH Lifting Equation. Rapid Entire Body Assessment (REBA) Rapid Upper Limb Assessment (RULA) Liberty Mutual Manual Material Handling Tables (SNOOK Tables) Hand-Arm Vibration Calculator (HAV)

Ergonomic Assessment with RULA-REBA Analysis : RULA (Rapid Upper Limb Assessment) and REBA (Rapid Entire Body Assessment) are the two evaluation Tools/Methods used to conduct postural risk assessment in the workplace.

OWAS identifies the most common work postures for the back (4 postures), arms (3 postures) and legs (7 postures), and the weight of the load handled (3 categories).

In order to compare the differences between REBA and RULA scores, it was necessary to normalize the absolute values as the two methods are based on different scales: RULA has four risk levels that categorize scores from 1 to 7, while REBA is based on five levels of risk that categorize scores from 1 to 15.

While the OWAS assesses only the loadings of posture and force/external load, the RULA and REBA evaluate the exposure to posture and force/external load as well as repeated and static posture effects. The REBA has two additional assessment factors of coupling and dynamic loading effects, compared to the RULA.

The Rapid Entire Body Assessment (REBA) is a tool used to evaluate the risk of musculoskeletal disorders (MSDs) associated with specific tasks within a job. It is a whole-body screening tool that follows a systematic procedure to assess biomechanical and postural loading on the body.