Diagnostic accuracy of the compression overload test versus straight leg raise test in detecting lumbar disc herniation: an MRI-validated cross-sectional study

Review written by Todd Hargrove info

Key Points

  1. The Compression Overload Test (COLT) demonstrated 92% sensitivity for detecting lumbar disc herniation, significantly outperforming the Straight Leg Raise Test (SLRT).
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BACKGROUND AND OBJECTIVE

The Straight Leg Raise Test (SLRT) is widely used to diagnose lumbar disc herniation but has limited sensitivity in non-radicular cases. The Compression Overload Test (COLT) seeks to identify disc herniations by creating axial compression.

This study compared the diagnostic accuracy of COLT and SLRT against MRI findings in patients with acute low back pain associated with intervertebral disc herniation (IVDH).

The Straight Leg Raise Test is widely used to diagnose lumbar disc herniation but has limited sensitivity in non-radicular cases.
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The Compression Overload Test is more sensitive than the Straight Leg Raise Test for detecting disc pathology.

METHODS

  • 53 participants with acute low back pain who recently underwent an MRI were recruited. COLT and SLRT tests were performed on each participant (see Video 1).
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