Crossed Straight Leg Raise Test: Difference between revisions

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== Purpose
==


addthepurposeofthis assessment technique here<br>
=== Background ===
连续交叉腿提高考试,也称“well-leg raising test” or “Fajersztajn sign”, was first noted by Fajersztajn in 1901. It refers to whenthecontralateral or unaffected leg is flexed at the hip, the patient experiences pain on the ipsilateral or affected sideHudgins WR. The crossed-straight-leg-raising test. New England JournalofMedicine. 1977;297(20):1127–.</ref>.


==Technique
==
==Purpose==
With patient in supine, the examiner flexes their unaffected leg at the hip while maintaining knee extension. The test is deemed positive when patient reports pain in affected leg at a hip flexion angle of 40 degrees.


Acrossed straighttestis positive withcentral disc herniation in cases of severe nerve root irritation.
Apositivetestsuggestscentral disc herniation in cases of severe nerve root irritationor compression, and is associated with a lumbar disc herniation in 97% of patients. The XSLR is usually only positive in patients with major nerve root impingement, and is more specific than the [[Straight Leg Raise Test|straight leg raise test]].
== Technique ==
With patient in supine, the examiner flexes their unaffected leg at the hip while maintaining knee extension. The test is deemed positive when patient reports pain in affected leg at a hip flexion angle of 40 degrees.


== Evidence ==
== Evidence ==


Provide的证据this technique here
* A systematic review establishesthecrossed straight leg raise test (XSLR) as having low sensitivity but high specificity. However, these results were from populations with a very high prevalence of disc herniation and a severe spectrum of disease, and cannot be generalised to populations with lower prevalences. There is insufficientevidence forthe clinical utility of the XSLR in diagnosing disc herniation in primary care populations and other patient populations not (yet) referred for surgeryWindt D, Simons E, Riphagen I, Ammendolia C, Verhagen A, Laslett M, et al. Physical examination for lumbar radiculopathy due to disc herniation in patients with low-back pain. Cochrane database of systematic reviews. 2010;2011(2):CD007431–CD007431.https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD007431.pub2/full.
* Intra-rater reliability for a positive XSLR was moderate to substantial, while inter-rater reliability for a positive XSLR in two “mixed” samples of participants was essentially none to moderate.


== Resources ==
== Resources ==

Revision as of 14:33, 30 November 2022

Original Editor-User Name Top Contributors-Jonathan WongandChelsea Mclene
Original Editor-User Name
Top Contributors-Jonathan WongandChelsea Mclene

Background[edit|edit source]

连续交叉腿提高考试,也称“well-leg raising test” or “Fajersztajn sign”, was first noted by Fajersztajn in 1901. It refers to when the contralateral or unaffected leg is flexed at the hip, the patient experiences pain on the ipsilateral or affected side[1].

Purpose[edit|edit source]

A positive test suggests central disc herniation in cases of severe nerve root irritation or compression, and is associated with a lumbar disc herniation in 97% of patients[1]. The XSLR is usually only positive in patients with major nerve root impingement, and is more specific than the直腿提高考试.

Technique[edit|edit source]

With patient in supine, the examiner flexes their unaffected leg at the hip while maintaining knee extension. The test is deemed positive when patient reports pain in affected leg at a hip flexion angle of 40 degrees[1].

Evidence[edit|edit source]

  • A systematic review establishes the crossed straight leg raise test (XSLR) as having low sensitivity but high specificity[1]. However, these results were from populations with a very high prevalence of disc herniation and a severe spectrum of disease, and cannot be generalised to populations with lower prevalences. There is insufficient evidence for the clinical utility of the XSLR in diagnosing disc herniation in primary care populations and other patient populations not (yet) referred for surgery[2].
  • Intra-rater reliability for a positive XSLR was moderate to substantial, while inter-rater reliability for a positive XSLR in two “mixed” samples of participants was essentially none to moderate.

Resources[edit|edit source]

add any relevant resources here

References[edit|edit source]

  1. ↑1.01.11.21.3胡dgins WR. The crossed-straight-leg-raising test. New England Journal of Medicine. 1977;297(20):1127–.
  2. ↑Windt D, Simons E, Riphagen I, Ammendolia C, Verhagen A, Laslett M, et al. Physical examination for lumbar radiculopathy due to disc herniation in patients with low-back pain. Cochrane database of systematic reviews. 2010;2011(2):CD007431–CD007431.https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD007431.pub2/full
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