The patient is in supine with the testing leg (L) flexed at…

The patient is in supine with the testing leg (L) flexed at knee, and other leg (R) extended.  The patient is asked to perform a SLR on (R), while the PT places a hand under the patient’s (L) foot.  The PT notes no weight through the (L) foot when the patient is performing the SLR on the (R).   The PT is utilizing which of the following tests to check for symptom magnification?