Fig. 1From: Normal radiological anatomy of thyroid cartilage in 600 Chinese individuals: implications for anterior cervical spine surgeryThe measurements used for this study. a Levels at which the thyroid and cricoid cartilage and cervical vertebrae were measured include the superior border of the thyroid cartilage (SBTC), the inferior border of the thyroid cartilage (IBTC), and the inferior border of the cricoids cartilage (IBCC). b The measurement of the SBTC. c The measurement of the IBTC. d The measurement of the IBCCBack to article page