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    When one of the assumptions of the Niosh Lifting guide is violated, what tool do you use?  In this case, a client is lifting an unstable load.  I have done a quick literature search, but don’t see any alternative for an unstable.  I think the numbers would be "worse" with an unstable load, so the Lifting Guide would give a best case scenario.  What do you think?

    – Maureen


    [private user]

    You could run the numbers using NIOSH and explain in the description of the results that because the load is unstable, it’s actually worse.   Another tool I use if I cannot use NIOSH is the University of Michigan 3DSSPP biomechanical model, but I know this tool is not necessarily readily available to folks unless you purchase a license.

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