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Book

Straight Leg Raise Test (Lasegue sign)

Joe M. Das  1 , Anterpreet Dua  2 , Mustafa Nadi  3
In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan.
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Book

Straight Leg Raise Test (Lasegue sign)

Joe M. Das et al.
Free Books & Documents

Excerpt

The Lasegue sign or straight leg raise (SLR) test is a clinical test to assess nerve root irritation in the lumbosacral area. This test is an integral part of the neurological examination of the patients presenting with low back pain with or without radicular symptoms. The other less commonly used name is the Lazarevic sign (see Image. Lasegue Sign).

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Conflict of interest statement

Disclosure: Joe Das declares no relevant financial relationships with ineligible companies.

Disclosure: Anterpreet Dua declares no relevant financial relationships with ineligible companies.

Disclosure: Mustafa Nadi declares no relevant financial relationships with ineligible companies.

References

    1. Boyd BS, Topp KS, Coppieters MW. Impact of movement sequencing on sciatic and tibial nerve strain and excursion during the straight leg raise test in embalmed cadavers. J Orthop Sports Phys Ther. 2013 Jun;43(6):398-403. - PubMed
    1. WARTENBERG R. On neurologic terminology, eponyms and the Lasègue sign. Neurology. 1956 Dec;6(12):853-8. - PubMed
    1. Maranhão-Filho P, Vincent M. Lazarević-Lasègue sign. Arq Neuropsiquiatr. 2018 Jun;76(6):421-423. - PubMed
    1. Rade M, Könönen M, Marttila J, Vanninen R, Shacklock M, Kankaanpää M, Airaksinen O. Correlation analysis of demographic and anthropometric factors, hip flexion angle and conus medullaris displacement with unilateral and bilateral straight leg raise. Eur Spine J. 2016 Mar;25(3):724-31. - PubMed
    1. Dyck P. Lumbar nerve root: the enigmatic eponyms. Spine (Phila Pa 1976) 1984 Jan-Feb;9(1):3-6. - PubMed

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