Lunotriquetral Ballottement Test

 Lunotriquetral Ballottement Test

  • Lunotriquetral Ballottement Test also called Reagan Test, it is used to evaluate the integrity of the lunotriquetral ligament.

  • Examiner secures the pisotriquetral unit with the thumb and index finger of one hand and the lunate with the other hand,
  • anterior and posterior stresses are placed on the lunotriquetral joint.

  • Lunotriquetral Ballottement Test is positive when there are increased laxity and accompanying pain.

  • Sensitivity: 64 %
  • Specificity: 44 %

  • Lunotriquetral instability can result from trauma involving hyperpronation or hyperextension.
  • Patients report pain in the wrist. Tenderness to palpation over the triquetrolunate joint and pain with motion can be provoked, but pronation and supination do not cause any pain.
  • The injury does not necessarily involve loss of strength. Patients occasionally describe the instability as a clicking that occurs during wrist motion.


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