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Obers Test

The Obers test is used extensively to evaluate the flexibility of the TFL.

The patient is in the side lying position with the lower leg flexed at the hip and knee for stability. The examiner then passively abducts and extends the patient’s upper leg with the knee straight or flexed to 90°.

The examiner gradually lowers the lower limb; if a contracture is present, the leg remains abducted and does not fall to the table.

When doing this test, it is important to extend the hip slightly so that the iliotibial band passes over the greater trochanter of the femur. To do this, the examiner stabilizes the pelvis at the same time to stop the pelvis from “falling backward.”

 
Obers test start position
Obers test start position
 
Obers test end position
Obers test end position