P4 test

Skills: Pelvis
Quiz: Pelvis

Posterior Pelvic Pain Provocation test (P4 test)

In the P4 test (Posterior Pelvic Pain Provocation), axial pressure is applied to the knee joint when the hip is flexed at 90 degrees, and it is noted whether this triggers pain in the back of the pelvic joint.

Laslett M et al. Diagnosis of sacroiliac joint pain: validity of individual provocation tests and composites of tests. Man Ther. 2005;10:207-218

Test characteristics: Sens 88, Spec 69, LR+2.8, LR-0.17

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