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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

From: Conventional versus helical blade screw insertion following the removal of the femoral head screw: a biomechanical evaluation using trochanteric gamma 3 locking nail versus PFN antirotation

Fig. 3

A, B The resistance strength of the following screw against pullout stress is superior to the case of using a C-type screw as the following screw (C2) in all PCFs regardless of the type of leading screw and whether reaming is performed. C, D The resistance strength of the following screw against clockwise rotation stress is superior to the case (H2) using the H-type screw as the following screw, in all PCFs regardless of the type of the leading screw and whether reaming is performed. (E, F) The resistance strength of the following screw against counter-clockwise rotation stress is superior to the case of using an H-type screw as the following screw (H2) in all PCFs regardless of the type of leading screw and whether reaming is performed

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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