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Fig. 5 | Journal of Orthopaedic Surgery and Research

Fig. 5

From: A guideline for screw fixation of coracoid process base fracture by 3D simulation

Fig. 5

The measurement of angle α and β. a The slope of the upper edge of the posterior coracoid process was selected as the reference plane and called plane 1 (yellow plane). The anterior inclination angle between the screw and plane 1 was measured and recorded as angle α. b The other reference plane perpendicular to plane 1 was called plane 2 (blue plane). The medial inclination angle between the screw and plane 2 was measured and recorded as angle β

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