Curvature and Range of Motion of the Cervical Spine After Laminaplasty* by Ikuo Aita, Yasuyoshi Wadano, and Takeshi Yabuki J Bone Joint Surg Am Volume 82(12): December 1, 2000 ©2000 by The Journal of Bone and Joint Surgery, Inc.
Diagram of the laminaplasty. Ikuo Aita et al. J Bone Joint Surg Am 2000;82:1743 ©2000 by The Journal of Bone and Joint Surgery, Inc.
Diagram showing measurement of the curvature index. Ikuo Aita et al. J Bone Joint Surg Am 2000;82:1743 ©2000 by The Journal of Bone and Joint Surgery, Inc.
Diagram showing that lines parallel to the posterior surfaces of the vertebral bodies create an angle between each pair of vertebrae. Ikuo Aita et al. J Bone Joint Surg Am 2000;82:1743 ©2000 by The Journal of Bone and Joint Surgery, Inc.
Fig. 4-A: Diagram showing measurement of the distance between the inferior surface of the occiput and the posterior arch of the atlas (C1). Ikuo Aita et al. J Bone Joint Surg Am 2000;82:1743 ©2000 by The Journal of Bone and Joint Surgery, Inc.
Fig. 4-B: Diagram showing measurement of the angle of the atlanto-axial joint (C1 and C2). Ikuo Aita et al. J Bone Joint Surg Am 2000;82:1743 ©2000 by The Journal of Bone and Joint Surgery, Inc.