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Observe the movement of the arm and select the category that is most appropriate. It is possible to select intermediate scores. Assess both the left (L) and right (R) arm
This refers to movement of the arm and hand, but not the fingers. Observe the movement of the arm and hand and count the number of times the same or a similar pattern of motion is repeated over a set period of time (eg 1 minute). Assess both the left (L) and right (R) arm.
Use the grid below to determine the level of force exerted with the hand and the amount of time that the force is exerted. It is possible to select intermediate scores on the grid if appropriate. If more than one type of force is exerted, select the highest score obtained with the grid. There are two methods to determine the level of hand force:
The neck is considered to be bent or twisted if an obvious angle between the neck and back can be observed as a result of performing the task.
The back posture is considered awkward if more than 20° of twisting or bending is observed.
The arm is considered to adopt an awkward posture if the elbow is raised to around chest height and the arm is unsupported (eg not resting on a workbench).
The wrist is considered to be bent or deviated if an obvious wrist angle can be observed.
Determine the maximum amount of time that individuals perform the repetitive task without a break. Breaks are significant changes or pauses (eg of at least 5–10 minutes) in arm or hand activity. They include structured breaks such as meal breaks. They also include time spent performing other tasks that do not involve similar repetitive arm movements (eg a visual inspection task).
Speak to the workers about any difficulties they might have keeping up with the work. Select the most appropriate category. If the score is amber or red, ask for more information about this aspect of the work.
Identify any other factors that are present in the task. For example: