Chiropractic Examination

Straight Leg Test for Diagnosing Back Pain

Can the straight leg test help find the cause of back or hamstring pain in individuals experiencing it?

Straight Leg Test

The straight leg raise test is often used to diagnose sciatica/radiculopathy, herniated discs, and other spinal problems. The healthcare provider giving the test performs most of the movement as they assess what’s causing the leg and/or back pain. The patient lies on their back with the legs straight. The provider will have the patient perform specific movements and inform them of how it feels. Then, they’ll raise the leg to see if and at what point symptoms begin to show. Providers often use this test alongside imaging studies.

Purpose

The straight leg raise is one of the most common manual tests done during physical exams. The straight leg raise test seeks to reproduce the pain or other symptoms in a controlled fashion to provide clues to what’s happening. It is a manual exam, and the healthcare provider will:

  • Position the patient
  • Moves the patient
  • Create pressure to see how well the patient can resist it

This is often used alongside imaging tests, such as an X-ray or CT scan. (Allegri M. et al., 2016) Its goal is to check for nerve movement and sensitivity of nerve tissue to compression. The straight leg lift test is neurodynamic because it uses movement to diagnose nerve problems. (Baselgia L.T. et al., 2017)

During the Test

Expect to feel some pain during the test, as the whole point is to see what aggravates the symptoms. They may be caused by:

  • Tight hip or back muscles
  • Back muscle spasms
  • Slipped disc
  • Spinal instability

Most of the tests are passive, with the provider doing the lifting. The patient can help achieve the most accurate result by staying as relaxed as possible and being clear about what is felt. (Pande K. 2015) The procedure:

  • The patient lies on their back with their legs straight.
  • The provider will ask the patient to turn one of the legs in.
  • This tells them what hip position affects the lower back symptoms.
  • They’ll then ask you to bring the leg toward the body’s center.
  • Then, they’ll lift the straight leg until the patient experiences symptoms.
  • Pain suggests a herniated disc.
  • If there is no pain, this also provides valuable information.
  • The procedure is repeated with the other leg.

Modifications

It’s important to let the examiner know about any limitations. The straight leg raise test has modifications if the patient cannot lift their leg while it’s straight or if they have difficulty lying on their back, which can also help avoid an injury during the test.

Variations

The healthcare provider may repeat the test with the ankle in a dorsiflexed position/raising the foot. Then, they’ll have the patient do it with their chin tucked into their chest. (Young R. et al., 2013) These variations can help check for nerve involvement in specific locations, such as the spinal cord or the dura mater, the membrane covering the brain and spinal cord. (Venne G. et al., 2017) The spinal cord nerves are likely involved and affected if the usual pain is in the back or leg but not the chin, neck, or foot. (Camino Willhuber GO, Piuzzi NS. 2023)

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References

Casiano, V. E., Sarwan, G., Dydyk, A. M., & Varacallo, M. A. (2025). Back Pain. In StatPearls. www.ncbi.nlm.nih.gov/pubmed/30844200

Pesonen, J., Shacklock, M., Suomalainen, J. S., Karttunen, L., Mäki, J., Airaksinen, O., & Rade, M. (2021). Extending the straight leg raise test for improved clinical evaluation of sciatica: validity and diagnostic performance with reference to the magnetic resonance imaging. BMC musculoskeletal disorders, 22(1), 808. doi.org/10.1186/s12891-021-04649-z

Allegri, M., Montella, S., Salici, F., Valente, A., Marchesini, M., Compagnone, C., Baciarello, M., Manferdini, M. E., & Fanelli, G. (2016). Mechanisms of low back pain: a guide for diagnosis and therapy. F1000Research, 5, F1000 Faculty Rev-1530. doi.org/10.12688/f1000research.8105.2

Baselgia, L. T., Bennett, D. L., Silbiger, R. M., & Schmid, A. B. (2017). Negative Neurodynamic Tests Do Not Exclude Neural Dysfunction in Patients With Entrapment Neuropathies. Archives of physical medicine and rehabilitation, 98(3), 480–486. doi.org/10.1016/j.apmr.2016.06.019

Pande K. (2015). The Use of Passive Straight Leg Raising Test: A Survey of Clinicians. Malaysian Orthopaedic Journal, 9(3), 44–48. doi.org/10.5704/MOJ.1511.012

Young, R., Nix, S., Wholohan, A., Bradhurst, R., & Reed, L. (2013). Interventions for increasing ankle joint dorsiflexion: a systematic review and meta-analysis. Journal of foot and ankle research, 6(1), 46. doi.org/10.1186/1757-1146-6-46

Venne, G., Rasquinha, B. J., Kunz, M., & Ellis, R. E. (2017). Rectus Capitis Posterior Minor: Histological and Biomechanical Links to the Spinal Dura Mater. Spine, 42(8), E466–E473. doi.org/10.1097/BRS.0000000000001867

Camino Willhuber, G. O., & Piuzzi, N. S. (2025). Straight Leg Raise Test. In StatPearls. www.ncbi.nlm.nih.gov/pubmed/30969539

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The information on "Straight Leg Test for Diagnosing Back Pain" is not intended to replace a one-on-one relationship with a qualified health care professional or licensed physician and is not medical advice. We encourage you to make healthcare decisions based on your research and partnership with a qualified healthcare professional.

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Welcome-Bienvenido's to our blog. We focus on treating severe spinal disabilities and injuries. We also treat Sciatica, Neck and Back Pain, Whiplash, Headaches, Knee Injuries, Sports Injuries, Dizziness, Poor Sleep, Arthritis. We use advanced proven therapies focused on optimal mobility, health, fitness, and structural conditioning. We use Individualized Diet Plans, Specialized Chiropractic Techniques, Mobility-Agility Training, Adapted Cross-Fit Protocols, and the "PUSH System" to treat patients suffering from various injuries and health problems. If you would like to learn more about a Doctor of Chiropractic who uses advanced progressive techniques to facilitate complete physical health, please connect with me. We focus on simplicity to help restore mobility and recovery. I'd love to see you. Connect! Dr. Alex Jimenez DC, APRN, FNP-C

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