Gaenslen’s Test

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 Gaenslen’s Test

What does Gaenslen’s test for?

Gaenslen’s test can indicate the presence or absence of a sacroiliac joint lesions, pubic symphysis instability, hip joint pathology or L4 nerve root lesion. It can also stress the femoral nerve.

See Also: Thomas Test

How do you perform Gaenslen test?

See Also: Three Phase Hyperextension Test or Mennell sign
Gaenslens Test
Gaenslen’s Test – Supine Position

The Gaenslen test may also be performed with the patient in a lateral position. This is done with the patient lying on his or her normal side with that leg flexed at the hip and knee. The examiner then passively hyperextends the other leg (the one not in contact with the table).

Gaenslen's Test
Gaenslen’s Test – Lateral Position

What does a positive Gaenslen’s Test mean?

If there is dysfunction in the sacroiliac joint, hyperextension of the leg will lead to motion in the sacroiliac joint, causing pain or exacerbation of existing pain and the Gaenslen’s test is considered positive .

Pain may also be caused by hip pathology or an ipsilateral nerve root lesion.

See Also: Lasegue Test

Gaenslen Test Accuracy

This test demonstrates poor diagnostic value secondary to poor to fair specificity. Overall, there is limited research pertaining to this test in order to make strong conclusions.

A study by Parisa Nejati to assess the reliability and validity of motion palpation and pain provocation compared with sacroiliac joint (SIJ) block as the gold-standard assessment method of patients with sacroiliac joint dysfunction (SIJD), he found that the Gaenslen’s test had a sensitivity and a specificity of:


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