External rotation test

 External rotation test

The external rotation test:

  • It is used to demonstrate the integrity of the syndesmotic ligaments.

  • The patient sits with the knee flexed to 90°.
  • The foot is gently grasped and rotated laterally with the ankle locked in neutral.

  • A positive test result occurs when the patient has pain over the syndesmosis.

  • Sensitivity: 20%
  • Specificity: 84.8%

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