Fig. 1A–C.

(A) The pelvis on the wood structure placed on top of the wood board is shown in the coronal plane. The pelvis is in neutral position. (B) An axial view of the pelvis on the wood structure on top of the wood board with rotation markings is shown. The pelvis is in 10° of left hip rotation and −10° of right hip rotation in this example. (C) A sagittal view of the wood structure on top of the wood board with the 10° calibrated wooden block is shown.