Name
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Purpose1
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Description1
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Sensitivity, Specificity
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Validity, Reliability
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Likelihood Ratio +/-
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Lift-off Sign
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To test for a lesion of the subscapularis muscle and scapular instability
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The patient stands and places the dorsum of the hand against mid-lumbar spine. The patient then lifts his hand away from the back. An inability to perform this action indicates a lesion of the subscapularis muscle. Abnormal motion of the scapula during the test may indicate scapular instability.
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Sensitivity= 17-92%2
Specificity= 602-100%3
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k=.28-.324
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+ LR = 0.432 ∞3
- LR =.39-1.382
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