Fig. 6From: Paraspinal muscle degeneration and lower bone mineral density as predictors of proximal junctional kyphosis in elderly patients with degenerative spinal diseases: a propensity score matched case–control analysisA 78-year-old woman with a diagnosis of degenerative spinal deformity. Posterior decompression and posterior instrumentation with pedicle screw fixation from L1-S2. Preoperative proximal junctional angle as 2.2 degree. Last follow-up proximal junctional angle as 13.6 degreeBack to article page