Morphological Variations of the Posterior Superior Iliac Spine in Chinese Population: Potential Effects on the Reliability of Palpation

Figure 4

Specimens of different types of posterior superior iliac spine. (a, e) Type I: V-shape; (b, f) type II: U-shape; (c, g) type III: W-shape; (d, h) type IV: ossification-shape.

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