β£What are causes of PLRI?Due to insufficiency of the LUCL (Primary restraint to PLR stability)Can be due to malunion of Supracon β Cubitus Varus β PLRI (Tardy Ulnar nerve if present)β£What are the clinical tests?All are on the basis of forearm supination and axial loading with a valgus forceLateral Pivot shift testChair rise test/ push up testβ£Mx of Acute PLRI?Treat as simple dislocationβ£Mx of Chronic PLRI?LUCL recon with graft (PL/ gracilis grafts)Distal humeral osteotomy if Malunion