"Angle is calculated in the axial planes, with angle assessed between lines along the posterior border of the vertebral body and another line bisecting the superior and inferior tips of the facet joint process. The angle calculated was considered the facet joint angle and if the difference in the angulation of either facet joint at the same level, was 8° or more, it was considered as facet tropism7."
"In the lumbar spine, the L4-L5 level is considered the most commonly affected level 1."
Expected headings
"Associations"