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Posted: May 14 2025

Derry Kidney Dish test - Test for syndesmosis instability (Dessie Gibson)

Video Description

?? The Derry Kidney Dish Test for Syndesmosis Instability ??

Introducing the Derry Kidney Dish Test, a simple yet insightful technique described by Dessie Gibson to assess syndesmosis instability! ??

?? The Problem: When examining a suspected syndesmosis injury, placing the foot flat on the bed with the heel supported can hide the instability. The heel support prevents posterior talar subluxation, giving a false impression of a stable ankle. ????

? The Solution: By removing heel support—using a kidney dish (or similar) under the calf—you allow the talus to drop naturally, exposing any posterior subluxation and syndesmotic instability. A key trick to avoid false negatives! ??

?? Clinical Takeaway: Always check the true stability of the syndesmosis by ensuring the foot is unloaded posteriorly. It’s a small change, but it makes a big difference in detecting hidden instability. ??

?? Have you used this test in your practice? Share your thoughts! ????

#Syndesmosis #AnkleInjury #FootAndAnkle #DerryKidneyDishTest #Orthopaedics #AnkleInstability #SportsMedicine #OrthoTips #MedEd



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