
Gaenslen test with the patient in the supine position, the knee and hip on one side are held in flexed position by the patient, while the other lower limb, hanging over the edge of the table, is pressed down by the examiner to produce hyperextension of the hip: pain occurs on the affected side in lumbosacral disease.
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http://www.encyclo.co.uk/local/21001

Type: Term Pronunciation: genz′lĕn Definitions: 1. pain on hyperextension of the hip with pelvis fixed by flexion of opposite hip; causes a torsion stress at the sacroiliac and lumbosacral joints.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=81910
No exact match found.