The ABER position relates to MR arthrography of the shoulder joint and is a mnemonic for ABduction and External Rotation.

In this position, labral tears are made conspicuous by tightening the inferior glenohumeral labroligamentous complex (which are also the most important glenohumeral ligaments in preventing shoulder instability).

To attain this position, the patient's pertinent hand is placed behind the head or neck.

Article information

rID: 813
Section: Radiography
Synonyms or Alternate Spellings:
  • Abduction and external rotation position

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