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Slump Test 

Slump Test which is also known as Sitting Dural Stretch Test is performed with the patient is sitting on the edge of the examining table with the legs supported, the hips in neutral position (with no rotation or abduction-adduction), and the hands are positioned behind the back.

The examination is performed in the following steps :

First, the patient is asked to “slump” the back into thoracic and lumbar flexion.

The examiner maintains the patient’s chin in the neutral position to prevent neck and head flexion.

The examiner then uses his one arm to apply overpressure across the shoulders of the patient to maintain flexion of the thoracic and lumbar spines.

 

While this position is maintained, the patient is tested to actively flex the cervical spine and head as far as possible (chin to chest).

 

The examiner then applies overpressure to maintain flexion of all three parts of the spine (cervical, thoracic, lumbar), using the hand of the same arm to maintain overpressure in the cervical spine.

 

With the other hand, the examiner then holds the patient’s foot in maximum dorsiflexion. While the examiner holds these positions, the patient is examined to actively straighten the knee as much as possible.

The test is repeated with the other side and then with both legs at the same time.

If the patient is not able to fully extend the knee because of pain, the examiner releases the overpressure to the cervical spine and the patient actively extends the neck.


If the knee extends farther, the symptoms decrease with neck extension, or the positioning of the patient increases the patient’s symptoms, then the test is considered positive for increased tension in the neuro-meningeal tract.