Fig. 2From: Locking retrograde nail, non-locking retrograde nail and plate fixation in the treatment of distal third femoral shaft fractures: radiographic, bone densitometry and clinical outcomes47F, road car accident, 32 A3 type of fracture (A, B). X-ray at 12 months post-operation (C–E) showed satisfactory fracture healing after locking retrograde nail. Absence of stress shielding of the nail is shown in F–H comparing images with biomechanics representations (I–K) proposed by Shih et al.Back to article page