Level-Dependent Coronal and Axial Moment-Rotation Corridors of Degeneration-Free Cervical Spines in Lateral

Flexion

by Narayan Yoganandan, Frank A. Pintar, Brian D. Stemper, Christopher E. Wolfla, Barry S. Shender, and Glenn Paskoff

J Bone Joint Surg AmVolume 89(5):1066-1074

May 1, 2007

©2007 by The Journal of Bone and Joint Surgery, Inc.

Schematic of the experimental setup (left).

Narayan Yoganandan et al. J Bone Joint Surg Am 2007;89:1066-1074

©2007 by The Journal of Bone and Joint Surgery, Inc.

Stacked bar chart illustrating the range of motion (ROM) and neutral zone (NZ) metrics for the coronal component from cervical spine lateral flexion tests.

Narayan Yoganandan et al. J Bone Joint Surg Am 2007;89:1066-1074

©2007 by The Journal of Bone and Joint Surgery, Inc.

Stacked bar chart illustrating the range of motion (ROM) and neutral zone (NZ) metrics for the axial component from cervical spine lateral flexion tests.

Narayan Yoganandan et al. J Bone Joint Surg Am 2007;89:1066-1074

©2007 by The Journal of Bone and Joint Surgery, Inc.

Coronal motion moment-rotation corridors from cervical spine lateral flexion tests for C2-C3, C3-C4, C4-C5, C5-C6, C6-C7, and C7-T1 levels.

Narayan Yoganandan et al. J Bone Joint Surg Am 2007;89:1066-1074

©2007 by The Journal of Bone and Joint Surgery, Inc.

Axial motion moment-rotation corridors from cervical spine lateral flexion tests for C2-C3, C3-C4, C4-C5, C5-C6, C6-C7, and C7-T1 levels.

Narayan Yoganandan et al. J Bone Joint Surg Am 2007;89:1066-1074

©2007 by The Journal of Bone and Joint Surgery, Inc.