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目的测量青少年(14～19岁)脊柱胸腰段椎板峡部上下缘的厚度、峡部上下缘距离及椎板厚度值,为临床及运动医学应用提供解剖学基础。方法年龄在14～19岁(平均16.5岁)25例原配完整的胸腰段(T1～L5)标本,分别测量峡部上缘厚度,峡部下缘厚度,峡部上下缘距离和椎板厚度并对峡部上下缘厚度进行比较、分析。结果峡部上缘厚度:胸段在(2.96±0.69)mm～(3.74±0.55)mm之间,呈逐渐上升趋势,腰段在(4.29±0.98)mm～(4.83±0.80)mm之间呈逐渐下降的趋势。峡部下缘厚度:胸段由(4.52±1.06)mm到(5.11±0.99)mm呈逐渐上升的趋势;腰段在(6.06±1.03)mm到(7.30±1.24)mm之间,变化不大。峡部上、下缘为近似“双轨”的曲线,上、下缘间差值保持在2.00mm左右。峡部上下径:整体在(17.51±3.55)mm～(7.90±1.71)mm之间,胸段呈上升的趋势,腰段呈下降的趋势。椎板厚度:整体在(4.94±1.00)mm～(6.79±1.01)mm之间,呈两端高中间低的“马鞍形”。结论青少年胸腰椎峡部与椎板相关参数变化有一定规律,峡部下缘总是较上缘厚,且具有一定的差值;其与成人数据相比较,无显著性差异。
Objective To measure the thickness of upper and lower isthmus, distance between upper and lower isthmus and thickness of lamina of thoracic and lumbar vertebral isthmus in adolescents (aged 14 to 19 years old), and to provide anatomical basis for clinical and sports medicine. Methods Twenty-five patients with thoracolumbar (T1 ~ L5) primary origin were enrolled in this study. The thickness of the upper isthmus, the thickness of the inferior isthmus, the distance between the upper and lower isthmuses and the thickness of the lamina were measured. The lower edge of the thickness comparison, analysis. Results The thickness of the upper isthmus: The thoracic segment increased gradually from (2.96 ± 0.69) mm to (3.74 ± 0.55) mm, while the lumbar segment gradually increased from (4.29 ± 0.98) mm to (4.83 ± 0.80) mm Downward trend. The thickness of the inferior isthmus: The thoracic segment gradually increased from (4.52 ± 1.06) mm to (5.11 ± 0.99) mm; the lumbar segment changed slightly from (6.06 ± 1.03) mm to (7.30 ± 1.24) mm. The isthmus on the lower edge of the approximate “double track ” curve, the difference between the upper and lower edges remained at about 2.00mm. The isthmus upper and lower diameter: the overall (17.51 ± 3.55) mm ~ (7.90 ± 1.71) mm, the thoracic increased upward trend, lower lumbar decline. Thickness of lamina: The overall thickness was between (4.94 ± 1.00) mm and (6.79 ± 1.01) mm, which was a “saddle” with a low center between the two ends. Conclusion The changes of thoracic and lumbar spine isthmus and vertebral lamina have certain rules. The inferior isthmus is always thicker than the upper margin and has certain difference. Compared with the adult data, there is no significant difference.