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Fig. 4 | BMC Musculoskeletal Disorders

Fig. 4

From: Impact of Spinopelvic sagittal alignment on the surgical outcomes of dropped head syndrome: a multi-center study

Fig. 4

A representative case of type1 . C7 plum line is drowned in each figure. a Preoperative lateral whole-spine standing radiograph showing chin-on-chest deformity and SVA of − 23 mm and PI-LL of 0°. b Lateral whole-spine standing radiograph at 2 years after the surgery showing well-maintained correction. SVA: sagittal vertical axis, PI-LL: pelvic incidence minus lumbar lordosis

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