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Schobers Test

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Other Names

  • Schober's Test
  • Modified Schober's Test

Purpose

Demonstration of Schober's Test[1]
  • Evaluate lumbar range of motion during flexion

Description

  • The patient is standing, examiner behind patient
  • Examiner locates lumbosacral junction and marks it with a horizontal line
  • A second line is made 10 cm above the first
  • Measure the difference between the measurements in erect and flexion positions
  • This indicates the degree of lumbar flexion

Modified Test

  • Mark S1 spinous process
  • Mark 10 cm superiorly
  • For ankylosing spondylitis patients, mark 5 cm below as well
  • Measure distance between bottom & top lines 15 cm total
  • Patient flexes forward with increase in distance 21+ cm
  • Positive test
    • Shorter increase due to tight musculature or limited lumbopelvic mobility

Pathology


Evidence

  • Validity against radiographs is 0.90 [2]

See Also


References

  1. Yen YR, Luo JF, Liu ML, et al. The anthropometric measurement of Schober's test in normal Taiwanese population. Biomed Res Int 2015; 2015:256365.
  2. Rezvani A, Ergin O., Karacan I., Validity and reliability of the Metric Measurements in the Assessment of Lumbar Spine Motion in patients with Ankylosing Spondylitis., 2012, Lippincott Williams & Wilkins, SPINE vol 37, Number 19, pp E1189-E1196 (level of Evidence: 1B)
Created by:
John Kiel on 16 July 2019 23:52:25
Authors:
Last edited:
19 May 2023 19:58:30
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