What is Slump Test?
- Slump Test is used for detecting disc bulging or herniation.
How it's Performed?
- Sitting with the back straight, the patient is encouraged to slump into lumbar and thoracic flexion while looking straight ahead.
- Then the patient fully flexes the neck and extends one knee.
- Last, the patient dorsiflexes the ipsilateral foot.
What does a positive Slump Test mean?
- The test can cause impingement or irritation of the dura and/ or nerve roots, with pain radiating down into the areas supplied by the sciatic nerve.
- Slump Test is Positive if reproduction of familiar radicular pain occurs.
Sensitivity & Specificity
- Sensitivity: 84 %
- Specificity: 83 %
- During the course of the test, pains may occur that must be defined in the differential diagnosis.
- These include:
- Facet joint arthritis.
- Tight hamstring muscles.
- Limited knee and ankle mobility.