A test which usually confirms pathology either inside or outside the spinal cord sheath. The test is performed with the patient supine while both limbs are held straight out with the heels two to three inches from the table for at least 30 seconds. The test increases subarachnoid pressure and is positive when the patient is unable to hold the position for 30 seconds without pain, indicating pathology within or outside the spinal cord sheath, such as a herniated disc.
We thank Leon Le Leu for information submitted.
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