Age-related changes in upper and lower cervical alignment and range of motion: normative data of 600 asymptomatic individuals.
Taro InoueKeigo ItoKei AndoKazuyoshi KobayashiHiroaki NakashimaYoshito KatayamaMasaaki MachinoShunsuke KanbaraSadayuki ItoHidetoshi YamaguchiHiroyuki KoshimizuFumihiko KatoShiro ImagamaPublished in: European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society (2020)
The O-C2 angle gradually decreased and the C2-7 angle increased with age. The ROM of the O-C2 angle did not change, but the ROM of the C2-7 angle decreased with age. The upper and lower cervical spine showed different age-related changes.
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