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| <div class="editorbox"> | | <div class="editorbox"> '''Original Editor '''- [[User:User Name|User Name]]<br> |
| '''Original Editor '''- Your name will be added here if you created the original content for this page. | | '''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}}</div> |
| | == Purpose<br> == |
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| '''Lead Editors''' - Your name will be added here if you are a lead editor on this page. [[Physiopedia:Editors|Read more.]]
| | add the purpose of this assessment technique here<br> |
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| Purpose
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| == Purpose ==
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| This neural tension test can be used to rule out neural tissue involvement as a result of lumbar disc herniation.<ref name="Dutton">Dutton, M. (2008). Orthopaedic: Examination, evaluation, and intervention (2nd ed.). New York: The McGraw-Hill Companies, Inc.</ref>
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| == Technique<br> == | | == Technique<br> == |
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| When performing the straight leg raise test the patient is positioned supine in the absence of pillows. The clinician lifts the patient's symptomatic leg by the posterior ankle while keeping the knee in a fully extended position. The clinican continues to lift the patient's leg by flexing at the hip until pain is illicited or end range is reached. Neurologic pain which is reproduced in the leg and low back between 30-70 degrees of hip flexion is a positive result of lumbar disc herniation at the L4-S1 nerve roots. In order to make this test more specific, the ankle can be dorsiflexed and the cervical spine flexed. This increases the stretching of the nerve root and dura.
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| Pain at less than 30 degrees of hip flexion might indicate acute spondyloithesis, gluteal abscess, disc protrusion or extrusion, tumor of the buttock, an acute dural inflammation, a malingering patient, or the sign of the buttock. Pain at greater than 70 degrees of hip flexion might indicate tightness of the hamstrings, gluteus maximus, hip capsule or a pathology of the hip or sacroiliac joints.<ref name="Dutton" />
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| {{#ev:youtube|vWrBNK94XO8}}<br>
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| <ref>Online Video, http://www.youtube.com/watch?v=vWrBNK94XO8&amp;amp;amp;feature=related, Last Accessed 6/1/09.</ref>
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| == Evidence == | | == Evidence == |
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| Recent evidence has shown a sensitivty of .67<ref>Rabin A, Gerszten PC, Karausky P, et al. The Sensitivity of the Seated Straight-Leg Raise Test Compared With the Supine Straight-Leg Raise Test in Patients Presenting With Magnetic Resonance Imaging Evidence of Lumbar Nerve Root Compression. Arch Phys Med Rehabil. 2007;(88):840-843.</ref> and a specificity ranging from .26<ref>Deville WL, van der Windt DA, Dzaferagic A, et al. The test of Lasegue: systematic review of the accuracy
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| in diagnosing herniated discs. Spine 2000;25:1140-7.</ref>
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| == Resources == | | == Resources == |
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| add any relevant resources here | | add any relevant resources here |
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| == Recent Related Research (from [http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed]) ==
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| <rss>Feed goes here!!|charset=UTF-8|short|max=10</rss>
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| == References == | | == References == |
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| References will automatically be added here, see [[Adding References|adding references tutorial]].
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