The Straight Leg Raise (SLR) test is commonly used to identify disc pathology or nerve root irritation, as it mechanically stresses lumbosacral nerve roots. It also has specific importance in detecting disc herniation and neural compression.[2] [3][4]It is also classified as a neurodynamic evaluation test as it can ...

Mar 6, 2025 · Several aspects of your leg's strength and stability can be determined with a straight leg raise test (SLR). A doctor performs a straightforward leg test by lying the patient flat on a bed...

Usually the legs are raised alternatingly, not simultaneously. The straight leg raise is a test that can be performed during a physical examination, with the leg being lifted actively by the patient or passively by the clinician.

Jun 12, 2023 · The straight leg raise test, also called the Lasegue test, is a fundamental maneuver during the physical examination of a patient with lower back pain. It aims to assess for lumbosacral nerve root irritation. This test can be positive in a variety of conditions, though lumbar disc herniation is the most common.

Oct 6, 2024 · The Lasegue sign or straight leg raise (SLR) test is a clinical test to assess nerve root irritation in the lumbosacral area.[1] This test is an integral part of the neurological examination of the patients presenting with low back pain with or without radicular symptoms.

Nov 22, 2018 · Severe root irritation is indicated when straight raising of the leg on the unaffected side produces pain on the affected side. A central disc prolapse is likely with risk to the cauda equina and consequently, of bladder dysfunction.

Normal overall SLR range of motion and inter-limb differences are presented with correlations to various demographic characteristics and implications for test interpretation.

The SLR test is a popular test often used for back patients. Common questions to ask during an SLR test include: Is there always a nerve root involvement in the case of a positive SLR? Does a positive SLR only cause leg pain? What about back pain on testing?

Apr 20, 2020 · The SLR test will cause traction on the sciatic nerve, lumbosacral nerve roots, and duramater. Adhesions within these area may be caused by herniation of the intervertebral disc or to extradural or meningeal irritation.

Jun 30, 2023 · The normal range for Straight Leg Raise (SLR) range of motion can vary depending on a person's age, gender, and overall health. However, generally, the normal range for SLR is considered to be between 80-90 degrees.