What does a positive sacroiliac test mean?
The test is considered positive if the patient feels pain in the SIJ on the side where the knee was flexed. Although, some textbooks suggest the FABER test can also stress the contralateral SIJ. At this point, pain in the buttocks is suggestive of SIJ pain, whereas pain in the groin region could indicate hip pathology

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8517984/#:~:tex...

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Note added at 56 mins (2023-08-16 20:15:57 GMT)
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Reszta cytatu:
SIJ Provocative Tests
FABER Test (Patrick’s Test)
When performing the FABER test (Figure 1), the patient lies supine on the examination table. The examiner brings the hip joint on the ipsilateral side of SIJ pain into the FABER position. The ipsilateral knee is flexed at 90° and the hip is externally rotated with the ipsilateral foot resting on the contralateral knee. Subsequently, the examiner presses the contralateral anterior superior iliac spine (ASIS) against the table and pushes the flexed knee down toward the table. The test is considered positive if the patient feels pain in the SIJ on the side where the knee was flexed. Although, some textbooks suggest the FABER test can also stress the contralateral SIJ. At this point, pain in the buttocks is suggestive of SIJ pain, whereas pain in the groin region could indicate hip pathology. When performed correctly, the FABER test can have one of the highest sensitivities of the five provocative maneuvers.12 This test is also useful in this current age of telemedicine as patients can perform their own FABER examination by sitting on a chair, and crossing the ankle of the affected side over the contralateral knee and pushing down on their ipsilateral knee while leaning back in their chair.