Fig. 2From: Applicable safety analysis and biomechanical study of iliosacral triangular osteosynthesisIllustration of different internal fixation methods for Denis type II sacral fractures. a. Two transsacral screws (TTS) group model. b. Triangular osteosynthesis (TO) group model.c.Iliosacral triangular osteosynthesis (ITO) group model. The picture shows α4 pairs of different observation points (red dots) from top to bottom behind the sacrumBack to article page