<prompt> Dinner fork deformity is present in case ofSmiths fractureStudents elbowColles fractureAll of these  <response>: C i.e. Colles fracture Mechanism of Injury Displacements of Colles Fracture On falling on to the out stretched hand with wrist in extension, the thener eminence takes the brunt of force. This results in fracture of lower end of radius, rotating it in to supination with the centre of rotation at the ulnar styloid. If the force continues the ulnar styloid is avulsed and triangular - fibro- cailage- complex TFCC is inured. It results in dinner forksilver fork spoon shaped deformityQ. With six displacement : Mnemonic - DILS 