Figure 2 | Scientific Reports

Figure 2

From: Four-dimensional computed tomography evaluation of shoulder joint motion in collegiate baseball pitchers

Figure 2

Coordinate system for the direction of translation of the joint contact area and humeral head centroid. Blue sphere; center of humeral head (CHH) at the original position, Red sphere; CHH at the first maximum internal rotation. The axes of the scapula coordinate system are aligned in the lateral/medial (X axis), anterior/posterior (Y axis), and superior/inferior (Z axis) directions.

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