Why the study?
Do the AB-HEER, HEER, and prone instability tests accurately diagnose hip microinstability?
Do the AB-HEER, HEER, and prone instability tests accurately diagnose hip microinstability?
The AB-HEER, HEER, and prone instability tests are useful clinical tools for ruling in hip microinstability, though negative results do not conclusively rule it out.
Positive tests may aid ruling in hip microinstability; leaves open need for prospective validation before routine use.
The AB-HEER test most accurately predicted hip instability, followed by the HEER test and the prone instability test. However, the high specificity of the prone instability test makes it a useful test to "rule in" abnormalities. A positive result from any test predicted hip instability in 86.3% to 90.9% of patients, but a negative test result did not conclusively rule out hip instability, and other measures should be considered in making the diagnosis. The use of these tests may aid the clinician in diagnosing hip instability, which has been considered a difficult diagnosis to make because of its dynamic nature.
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Hoppe et al. (2017) studied this question.
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