Fig. 4From: Influence of microsurgical decompression on segmental stability of the lumbar spine – One-year results in a prospective, consecutive case series using upright, kinetic-positional MRIRadiologic findings during observation period with average differences of intersegmental angles of the 27 operated levels in degree (a) and average differences of translation in millimeters [mm] in the 13 levels with preoperative degenerative spondylolisthesis (b)Back to article page