1·To observe the value of clinical application about a novel cervical traction apparatus that could recover cervical lordotic curvature.
观察一种新颖的，可以恢复颈椎前凸曲度牵引器的临床应用价值。
2·To the cases of jumping multilevel CSM that have a kyphotic deformity, it allows anterior decompression and reconstruction of the spine to help restore a lordotic curvature.
对于伴有颈椎后凸畸形的颈椎病患者，既能前路减压又能重建颈椎生理前凸。
3·Although lumbar lordotic and sacral slope angles decreased with aging in the healthy subjects, patients with OA retained the lumbar lordotic and sacral slope angles despite progression of OA with age.
虽然在健康人群中，腰椎前凸与骶骨倾斜角会随着年龄增大而减小，但尽管OA会随着年龄而进展，OA病例的腰椎前凸和骶骨倾斜角保持不变。