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Retro-reflective marker set. Figure artwork courtesy of Kari Giordano. C7, seventh cervical vertebrae; T10, tenth thoracic vertebrae; S1, first sacral vertebra; LFH, left front of head; LBH, left back of head; Clav, suprasternal notch; Strn, xyphoid; R ASIS, right anterior superior iliac spine; L ASIS, left anterior superior iliac spine.
