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. 2016 Mar 31;4:e1893. doi: 10.7717/peerj.1893

Figure 2. Relative positions of skin markers and corresponding spinous processes/vertebral landmarks in the sagittal plane at two postures: (A) NP; (B) second flexion position.

Figure 2

The ends of short blue lines point to the skin markers and corresponding vertebral landmarks, respectively.