Fig. 5From: Optimal viewing angles of intraoperative fluoroscopy for detecting screw penetration in proximal humeral fractures: a cadaveric studyFor each shoulder, the range of sensitive angles of the No. 1 screw is presented by a solid black line, and the two dotted red lines present the average minimum and maximum sensitive angles of the 6 shoulders. a Horizontal plane; b Coronal planeBack to article page