Fig. 1From: Adjacent-level biomechanics after single-level anterior cervical interbody fusion with anchored zero-profile spacer versus cage-plate construct: a finite element studyA three-dimensional finite element model of a healthy C2–T1 segment (a) and two fusion models with 4-screw Zero-P (b) and the standard PCC (c) at the C5–C6 segmentBack to article page