A patient is referred to physical therapy with a diagnosis of lumbar degenerative disk disease. The physical therapist theorizes that the sacroiliac joint may be the true source of the patient’s symptoms. Which test should be included in the examination when trying to confirm a diagnosis of sacroiliac joint dysfunction?

1.  Slump test
2.  Standing flexion test
3.  Leg length test
4.  Thigh thrust test

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