Abstract
As part of a systematic study of the spine between D11 and S1 the response to stress has been assessed by measuring radiologically the total and segmental mobility of 103 specimens. The method was shown to be reproducible to within 10% of total mobility. No significant sex difference was seen. Total mobility varied widely, but mean total mobility fell with age. All lumbar segments became less mobile up to the fifth decade. Between the fifth and the eighth decade the mobility of the fifth lumbar segment continued to fall, whereas other lumbar segments became more mobile. The mobility of each segment also varied widely, but the mean segmental mobility fell progressively from L5 to D11. However, this smooth pattern of movement was seen in only 16 cases, mostly adolescents and young adults. Among the remainder, in which movement was irregularly distributed, there were 7 cases (4 aged less than 30 years) in which the mobility of at least 1 segment was more than 2 standard deviations above the mean. The cause of this hypermobility was not evident radiologically. It is suggested that segments with abnormally high mobility may be at risk.
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Selected References
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- ALLBROOK D. Movements of the lumbar spinal column. J Bone Joint Surg Br. 1957 May;39-B(2):339–345. doi: 10.1302/0301-620X.39B2.339. [DOI] [PubMed] [Google Scholar]
- BALL J., MEIJERS K. A. ON CERVICAL MOBILITY. Ann Rheum Dis. 1964 Nov;23:429–438. doi: 10.1136/ard.23.6.429. [DOI] [PMC free article] [PubMed] [Google Scholar]
- ISRAEL M. A quantitative method of estimating flexion and extension of the spine; a preliminary report. Mil Med. 1959 Mar;124(3):181–186. [PubMed] [Google Scholar]
- Lindahl O. Determination of the sagittal mobility of the lumbar spine. A clinical method. Acta Orthop Scand. 1966;37(3):241–254. doi: 10.3109/17453676608989412. [DOI] [PubMed] [Google Scholar]
- Loebl W. Y. Measurement of spinal posture and range of spinal movement. Ann Phys Med. 1967 Aug;9(3):103–110. doi: 10.1093/rheumatology/9.3.103. [DOI] [PubMed] [Google Scholar]
- MORGAN F. P., KING T. Primary instability of lumbar vertebrae as a common cause of low back pain. J Bone Joint Surg Br. 1957 Feb;39-B(1):6–22. doi: 10.1302/0301-620X.39B1.6. [DOI] [PubMed] [Google Scholar]
- Panjabi M. M., Krag M. H., White A. A., 3rd, Southwick W. O. Effects of preload on load displacement curves of the lumbar spine. Orthop Clin North Am. 1977 Jan;8(1):181–192. [PubMed] [Google Scholar]
- Reynolds P. M. Measurement of spinal mobility: a comparison of three methods. Rheumatol Rehabil. 1975 Aug;14(3):180–185. doi: 10.1093/rheumatology/14.3.180. [DOI] [PubMed] [Google Scholar]
- Sturrock R. D., Wojtulewski J. A., Hart F. D. Spondylometry in a normal population and in ankylosing spondylitis. Rheumatol Rehabil. 1973 Aug;12(3):135–142. doi: 10.1093/rheumatology/12.3.135. [DOI] [PubMed] [Google Scholar]
- Sweetman B. J., Anderson J. A., Dalton E. R. The relationships between little-finger mobility, lumbar mobility, straight-leg raising, and low-back pain. Rheumatol Rehabil. 1974 Nov;13(4):161–166. doi: 10.1093/rheumatology/13.4.161. [DOI] [PubMed] [Google Scholar]
- TANZ S. S. To-and-fro motion range at the fourth and fifth lumbar interspaces. J Mt Sinai Hosp N Y. 1950 Jan-Feb;16(5):303–307. [PubMed] [Google Scholar]