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. 2024 Mar 16;14(6):630. doi: 10.3390/diagnostics14060630

Figure 2.

Figure 2

Definition of the measurement points. (a) The coronal image in which the radial head was depicted as the largest. Lines b, c, and d represent the midpoint of the radial head and the lateral and medial thirds of the ulna, respectively. (b) Measurement point of the RCJ. The yellow dot represents the center of the radial head. The double-headed arrow is the joint space width we measured. (c) Measurement point of the LUHJ. The dotted line is the bisector of the humerus, and the double-headed arrow is the joint space width we measured. (d) Measurement point of the MUHJ. The dotted line is the bisector of the humerus, and the arrow is the joint space width we measured. LUHJ—lateral third of the ulnohumeral joint; MUHJ—medial third of the ulnohumeral joint. On each figures, the same shapes (circles, squares and triangles) represents the same length, respectively.