Xin Zhang, Hongda Bao, Shibin Shu, Tianyuan Zhang, Qi Gu, Yong Qiu, Zezhang Zhu
BACKGROUND: This study aimed to investigate whether the distance between the C2 vertical line and the femoral heads (C2-FH) is quasi-invariant for the sitting position. METHODS: A cross-sectional, prospective study was conducted. A cohort of 59 asymptomatic volunteers was prospectively recruited between February 1, 2020, and February 31, 2020, at Nanjing Drum Tower Hospital of Nanjing University Medical School. The following radiographical parameters were evaluated: T4-T12 thoracic kyphosis (TK), cervical lordosis (CL), lumbar lordosis (LL), pelvic incidence (PI), pelvic tilt (PT), sacral slope (SS), sagittal vertical axis (SVA), T1-pelvic angle (TPA), and the C2-FH...
July 1, 2023: Quantitative Imaging in Medicine and Surgery