Rotation Vectorcomma; A New Method for Representation of Threehyphen;Dimensional Deformity in Scoliosis

摘要

Rotation vector for three-dimensional deformity, a new concept in scollosis, Is presented. This vector quantifies three-dimensional deformity in scollosis,Rotation vectors are calculated between pairs of end plates. Any three-dimensional malalignments (scoliosis, lordosls for kyphosls) and rotational existing between a pair of end plates should be cancelled perfectly by rotating one and plate against the other about an axis represented by the rotation vector.A rotation vector suggests how the deformity in scoliosis should be corrected three-dimensionally.