The Method Exploration for Measuring the Strain of the Intervertebral Disc

Qinghua Xue, Weiqiang Liu, Zhenhua Liao

Department of Precision Instrument and Mechanology, Tsinghua University, Beijing, China.
Research Institute of Tsinghua University in Shenzhen, Shenzhen, China.

DOI: 10.4236/mi.2013.22004                

Abstract

Many researches point out that intervertebral pressure and transformation are key parameters for evaluating intervertebral disc degeneration. Aiming at avoiding the damage caused by direct and indirect measuring methods, this research proposes a cylindroid hypothesis and measuring method, which can monitor the strain condition of the intervertebral disc in vivo and real-time without being damaged.

Keywords

Cylindroid Hypothesis; Intervertebral Strain; Degeneration

Conflicts of Interest

The authors declare no conflicts of interest.

References

[1]	J. S. Schwab, D. J. Diangelo and K. T. Foley, “Motion Compensation Associated with Single-Level Cervical Fusion: Where Does the Lost Motion Go,” Spine, Vol. 31, No. 21, 2006, pp. 2439-2448. doi:10.1097/01.brs.0000239125.54761.23
[2]	A. Nachemson and G. Elfstrom, “Intravital Dynamic Pressure Measurements in Lumbar Discs: A Study of Common Movements, Maneuvers and Exercises,” Scandinavian Journal of Rehabilitation Medicine-Supplement, Vol. 1, 1970, pp. 1-40.
[3]	O. Perey, “Fracture of the Vertebral End-Plate in the Lumbar Spine,” Acta Orthopaedica Scandinavica-Supplementum, Vol. 25, 1957, pp. 1-101.
[4]	V. K. Goel and J. N. Weinstein, “Time Dependent Biomechanical Response of the Spine,” In: V. K. Goel and J. N. Weinstein, Eds., Biomechanics of the Spine: Clinical and Surgical Perspective, CRC Press, Boca Raton, 1990, pp. 35-37
[5]	S. Gracovetsky, H. F. Farfan and C. Lamy, “The Mechanism of the Lumbar Spine,” Spine, Vol. 16, No. 3, 1981, pp. 249-262. doi:10.1097/00007632-198105000-00007
[6]	R. N. Natarajan, J. H. Ke and G. B. J. Andersson, “A Model to Study the Disc Degeneration Process,” Spine, Vol. 19, No. 3, 1994, pp. 259-265. doi:10.1097/00007632-199402000-00001
[7]	H. J. Wilke, P. Neef, M. Caimi, T. Hoogland and L. E. Claes, “New in Vivo Measurements of Pressures in the Intervertebral Disc in Daily Life,” Spine, 1999, Vol. 24, No. 8, pp. 775-762.
[8]	J. Calisse, A. Rohlmann and G. Bergmann, “Estimation of Trunk Muscle Forces Using the Finite Element Method and in Vivo Loads Measured by Telemeterized Internal Spine Fixation Devices,” Journal of Biomechanics, Vol. 32, No. 7, 1999, pp. 727-731. doi:10.1016/S0021-9290(99)00052-4
[9]	H. F. Farfan, “Form and Function of the Musculoskeletal System as Revealed by Mathematical Analysis of the Lumbar Spine: An Assay,” Spine, Vol. 20, No. 13, 1995, pp. 1462-1474. doi:10.1097/00007632-199507000-00004
[10]	E. Y. S. Chao, K. N. An and W. P. Cooney, “Instrumented Devices for Joint and Muscle Force Measurement,” In: N. Berme and A. Cappozzo, Eds., Biomechanics of Human Movement: Applications in Rehabilitation Sports and Ergonomics, Bertec Corporation, Worthington, 1990, pp. 86-89