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The test specifically designed to evaluate a tight iliotibial band (ITB) is known as the Ober test. This test targets the flexibility and length of the iliotibial band by assessing the ability of the patient's leg to adduct while in a side-lying position. The clinician will typically position the patient on their side, with the affected leg being positioned behind the other leg to lengthen the ITB. The clinician then stabilizes the pelvis and passes the leg down towards the examining table, observing for any resistance or inability to adduct fully, which indicates tightness.
In contrast, the other tests mentioned serve different purposes. The McMurray test is utilized primarily to assess meniscus injuries in the knee. Apley's compression test evaluates both the meniscus and the integrity of the knee joint under compression. The Patrick test (also known as FABER) assesses the hip joint's function and the sacroiliac joint. Each of these tests focuses on different structures and conditions, making the Ober test uniquely suited for identifying issues with the iliotibial band.