Flexion, Abduction, External Rotation Test (FABER or ...
Flexion, Abduction, External Rotation Test (FABER or Patrick’s Test)1
Purpose: To test for the presence of sacroiliac region pain; also, to test for the presence of hip pathology.
Technique: The patient is supine. The tested LE is placed in a “figure 4” position (hip flexed and abducted, ipsilateral foot resting on the contralateral thigh just above the knee). While stabilizing the opposite side of the pelvis, and external rotation/posteriorly directed force is then applied to the ipsilateral knee.
Positive Test: The test result is considered to be positive if the patient reports reproduction of buttock or groin pain.
Diagnostic properties/Evidence: Reference standard anesthetic block of the sacroiliac joint. Sn= .71, Sp= 1.0, -LR= .232, +LR= NA2
Reliability: Inter-examiner Kappa= 0.60-0.623,4
Resources
1 Flynn TW, Cleland JA, Whitman JM. User’s Guide to the Musculoskeletal Examination: Fundamentals for an Evidence-based Clinician. EIM. 2008:208.
2 Broadhurst N, Bond M. Pain provocation tests for the assessment of sacroiliac joint dysfunction. J Spinal Disorders 1998;11:341-345.
3 Flynn T, Fritz J, Whitman J, et al. A clinical prediction rule for classifying patients with low back pain who demonstrate short-term improvement with spinal manipulation. Spine 2002:27:2835-2843.
4 Laslett M, Williams M. The reliability of selected pain provocation tests for sacroiliac joint pathology. Spine 1994;19:1243-1249.
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