Fig. 1

The concise experimental strategy of present study. A, B The combined medial and lateral approach. C, D A novel combined anteromedial and anterolateral anatomical locking double plate for fractures of the distal humerus designed by us. E Simple intra-articular fracture of the distal humerus (AO C1 type). F Comminuted fracture of the lower distal humerus. G Coronal shear fracture of the distal humerus