Comprehensive Osteopathic Medical Licensing Examination (COMLEX USA) Practice

What is primarily tested in the Patrick's test?

1. Hip joint stability

2. Acetabular labrum condition

3. Nerve root impingement

4. Piriformis syndrome

The correct answer is: Nerve root impingement

The Patrick's test, also known as the FABER test (Flexion, Abduction, External Rotation), is primarily used to assess the presence of hip joint pathology and evaluate issues related to the hip joint or sacroiliac joint. The test involves placing the patient's leg in a position where the foot of the tested leg is placed on the opposite knee while allowing the knee to drop laterally. If there is pain or restriction during this maneuver, it suggests potential problems related to hip joint stability, femoroacetabular dysfunction, or sacroiliac joint conditions. While it could seemingly relate to nerve root impingement due to the nature of assessing lower extremity function, the primary focus of this test is not to evaluate nerve root involvement. Instead, the results typically guide further examination for hip joint stability or other local joint pathology. Therefore, the test itself is not designed specifically to address nerve impingement but rather to highlight potential dysfunctions of the hip or pelvis. Understanding the primary focus of the Patrick's test is crucial in correctly evaluating patients suspected of hip joint issues rather than attributing findings to broader neurological conditions like nerve root compromise.