Fig. 2 | Scientific Reports

Fig. 2

From: Retrospective analysis of open reduction and locking plate fixation in three and four part proximal humeral fractures with efficacy and complications

Fig. 2

Radiographic measurements of a representative patient. (a) The humeral head height (HHH) was defined as the distance between uppermost edge of the plate and the uppermost part of the humeral head; (b) The humeral neck-shaft angle (NSA) was defined as the angle between a line that is perpendicular to the articular segment or atomic neck of the humerus and a line that bisects the humeral shaft; (c) Tip distance is defined as the distance from the calcar screw to the articular surface of the humeral head. (d) The calcar distance refers to the distance from the calcar screw to the calcar.

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