Fascicles abbreviations

Dear AnyBody team,

Please kindly provide me with what these abbreviations in multifidus fascicles mean: SIPS in “MFtstL1SIPSPar” and which Ligament in “ MFtsL3LigamentPar”. Also, is there a difference between S1 and sacrum in “ MFmL3S1Par” and “ MFmL4SacrumPar” so that’s why they are named differently (though S1 is the same is sacrum anatomically).

Thank you

Hi @faa198501

The naming is related to the descriptions of the multifidi made by the research group of Nikolai Bogduk.
You can find them in these papers: https://doi.org/10.1016/0268-0033(86)90146-4 and https://doi.org/10.1016/j.jbiomech.2006.05.030

The SIPS is short for Sacro Iliac Posterior Spine and refers to the insertion of the fascicle. In our model the sacrum is one segment and not divided in S1-S3 so the Sacrum/S1 naming refers to the same segment but different locations on it. The L3Ligament fascicle is named that way because it originates from L3 and inserts on the posterior sacro illiac ligament on the sacrum - so it is not a ligament but inserts at a location one.

Best regards,
AnyBody Technology

Thank you very much for your kind support

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