Citation, DOI, disclosures and article data
Citation:
Feger J, Bell D, Haouimi A, Pelvic rotation. Reference article, Radiopaedia.org (Accessed on 29 Mar 2025) https://doi.org/10.53347/rID-81051
Pelvic rotation is one of three parameters contributing to the pelvic orientation and defines the rotation of the pelvis within the axial plane. It is a potential source of measurement errors on the pelvis (AP view). Correspondingly pelvic rotation can lead to false-positive or negative radiographic signs on the pelvis (AP view) as well as to false measurements including pelvic cup misinterpretation after hip arthroplasty 1-4.
The neutral pelvic rotation has been defined as the coccyx in line with the symphysis pubis.
Practical points
Signs and measurements influenced by pelvic rotation include the following:
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1. Tannast M, Siebenrock K, Anderson S. Femoroacetabular Impingement: Radiographic Diagnosis—What the Radiologist Should Know. AJR Am J Roentgenol. 2007;188(6):1540-52. doi:10.2214/ajr.06.0921 - Pubmed
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2. Kakaty D, Fischer A, Hosalkar H, Siebenrock K, Tannast M. The Ischial Spine Sign: Does Pelvic Tilt and Rotation Matter? Clinical Orthopaedics & Related Research. 2010;468(3):769-74. doi:10.1007/s11999-009-1021-5 - Pubmed
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3. Schwarz T, Weber M, Dornia C et al. Correction of Pelvic Tilt and Pelvic Rotation in Cup Measurement After THA – An Experimental Study. Fortschr Röntgenstr. 2017;189(09):864-73. doi:10.1055/s-0043-110012 - Pubmed
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4. Yun H, Murphy W, Ward D, Zheng G, Hayden B, Murphy S. Effect of Pelvic Tilt and Rotation on Cup Orientation in Both Supine and Standing Positions. J Arthroplasty. 2018;33(5):1442-8. doi:10.1016/j.arth.2017.11.069 - Pubmed
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