Dr. Kevin Yip

Dr Kevin Yip
Orthopaedic Surgeon
MBBS(UK), FRCS(EDIN), FAM(SING), FHKCOS(ORTHO)

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Specific tests for instability

Significance

Most instability can usually be detected by the earlier described passive movements. There are, however, valuable specific tests: the ‘jerk’ test and ‘pivot shiff for anterolateral rotatory insta-bility and the external rotation-recurvatum test
for posterolateral rotatory instability.

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