Bertolotti's syndrome/Hypermobility

... and Sacroiliac joint dysfunction[1]

References

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  1. Illeez, Ozge Gulsum; Atıcı, Arzu; Ulger, Esra Bahadır; Kulcu, Duygu Geler; Ozkan, Feyza Unlu; Aktas, Ilknur (2018-01). "The transitional vertebra and sacroiliac joint dysfunction association". European Spine Journal 27 (1): 187–193. doi:10.1007/s00586-016-4879-4. ISSN 0940-6719. http://link.springer.com/10.1007/s00586-016-4879-4.