What is the purpose of the Ober test?

The Ober test is specifically designed to assess the tightness of the iliotibial band (ITB) and is commonly used in a clinical setting to evaluate hip and thigh musculature. When conducting the test, the patient lies on their side with the tested leg's hip and knee flexed at 90 degrees. The examiner then stabilizes the pelvis while allowing the leg to fall into adduction. If the leg does not drop below the horizontal, it indicates tightness in the iliotibial band.

This test is particularly useful for identifying conditions such as iliotibial band syndrome, which can cause lateral knee pain. Recognizing ITB tightness enables therapists and clinicians to implement appropriate stretching or strengthening programs tailored to the patient's needs. Understanding the Ober test's purpose helps in diagnosing issues related to hip mobility and guides the management of lower extremity concerns.