Regional variations in the compressive properties of lumbar vertebral trabeculae: effects of disc degeneration
The compressive mechanical properties of human lumbar vertebral trabeculae were examined on the basis of anatomic origin, bone density, and intervertebral disc properties. Trabecular bone compressive strength and stiffness increased with increasing bone density, the latter proportional to strength a...
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| Veröffentlicht in: | Spine (Philadelphia, Pa. 1976) Pa. 1976), 1989-09, Vol.14 (9), p.1012-1019 |
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| container_end_page | 1019 |
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| container_issue | 9 |
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| container_title | Spine (Philadelphia, Pa. 1976) |
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| creator | KELLER, T. S HANSSON, T. H ABRAM, A. C SPENGLER, D. M PANJABI, M. M |
| description | The compressive mechanical properties of human lumbar vertebral trabeculae were examined on the basis of anatomic origin, bone density, and intervertebral disc properties. Trabecular bone compressive strength and stiffness increased with increasing bone density, the latter proportional to strength and stiffness to the one-half power. Regional variations within each segment were found, the most prevalent differences occurring in regions of bone overlying the disc nucleus in comparison with bone overlying the disc anulus. For normal discs, the ratio of strength of bone overlying the disc nucleus to bone overlying the disc anulus was 1.25, decreasing to 1.0 for moderately degenerated discs. These results suggest that an interdependency of trabecular bone properties and intervertebral disc properties may exist. |
| doi_str_mv | 10.1097/00007632-198909000-00016 |
| format | Article |
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For normal discs, the ratio of strength of bone overlying the disc nucleus to bone overlying the disc anulus was 1.25, decreasing to 1.0 for moderately degenerated discs. These results suggest that an interdependency of trabecular bone properties and intervertebral disc properties may exist.</description><subject>550601 - Medicine- Unsealed Radionuclides in Diagnostics</subject><subject>Aged</subject><subject>ANIMALS</subject><subject>Biological and medical sciences</subject><subject>Biomechanical Phenomena</subject><subject>BODY</subject><subject>Cadaver</subject><subject>COUNTING TECHNIQUES</subject><subject>DIAGNOSIS</subject><subject>DISEASES</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Intervertebral Disc Displacement - physiopathology</subject><subject>Lumbar Vertebrae - diagnostic imaging</subject><subject>Lumbar Vertebrae - physiopathology</subject><subject>MAMMALS</subject><subject>MAN</subject><subject>MECHANICAL PROPERTIES</subject><subject>ORGANS</subject><subject>PRIMATES</subject><subject>RADIOISOTOPE SCANNING</subject><subject>RADIOLOGY AND NUCLEAR MEDICINE</subject><subject>Radionuclide Imaging</subject><subject>SKELETAL DISEASES</subject><subject>SKELETON</subject><subject>Skeleton and joints</subject><subject>VERTEBRAE</subject><subject>VERTEBRATES</subject><subject>Vertebrates: osteoarticular system, musculoskeletal system</subject><issn>0362-2436</issn><issn>1528-1159</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kduKFDEQhoMo67j6CEIQ8a41lWPHO1nUXVgQRK9Dkq7ejfRhTNIDvr1xZpxAkVTq-ysVfkIosPfArPnA2jJa8A5sb5ltWdcC9BOyA8X7DkDZp2THhOYdl0I_Jy9K-dUQLcBekStuepDM7MjyHR_SuviJHnxOvrZzoWmh9RFpXOd9xlLSAek-r3vMNWGh60inbQ4-00O7wZCbuGYfMG6Tx48UxxFjPXJDKpEO-IAL5mPvl-TZ6KeCr877Nfn55fOPm9vu_tvXu5tP910UALVTAfugVRyYHoSJTPqgrVUD89yPVnI2KhaMkYjgBx8lNwqZlMiDwTAIJa7Jm1PftdTkSkwV42Ncl6VN5pTsWQ-iQe9OUPvc7w1LdXObF6fJL7huxRnLgQvWN7A_gTGvpWQc3T6n2ec_Dpj754f774e7-OGOfjTp6_MbW5hxuAjPBrT623Pdl-inMfslpnLBtAYQlou_pFiUNQ</recordid><startdate>19890901</startdate><enddate>19890901</enddate><creator>KELLER, T. 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M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Regional variations in the compressive properties of lumbar vertebral trabeculae: effects of disc degeneration</atitle><jtitle>Spine (Philadelphia, Pa. 1976)</jtitle><addtitle>Spine (Phila Pa 1976)</addtitle><date>1989-09-01</date><risdate>1989</risdate><volume>14</volume><issue>9</issue><spage>1012</spage><epage>1019</epage><pages>1012-1019</pages><issn>0362-2436</issn><eissn>1528-1159</eissn><coden>SPINDD</coden><abstract>The compressive mechanical properties of human lumbar vertebral trabeculae were examined on the basis of anatomic origin, bone density, and intervertebral disc properties. Trabecular bone compressive strength and stiffness increased with increasing bone density, the latter proportional to strength and stiffness to the one-half power. Regional variations within each segment were found, the most prevalent differences occurring in regions of bone overlying the disc nucleus in comparison with bone overlying the disc anulus. For normal discs, the ratio of strength of bone overlying the disc nucleus to bone overlying the disc anulus was 1.25, decreasing to 1.0 for moderately degenerated discs. These results suggest that an interdependency of trabecular bone properties and intervertebral disc properties may exist.</abstract><cop>Philadelphia, PA</cop><cop>Hagerstown, MD</cop><pub>Lippincott</pub><pmid>2781407</pmid><doi>10.1097/00007632-198909000-00016</doi><tpages>8</tpages></addata></record> |
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| identifier | ISSN: 0362-2436 |
| ispartof | Spine (Philadelphia, Pa. 1976), 1989-09, Vol.14 (9), p.1012-1019 |
| issn | 0362-2436 1528-1159 |
| language | eng |
| recordid | cdi_osti_scitechconnect_5480813 |
| source | MEDLINE; Journals@Ovid Complete |
| subjects | 550601 - Medicine- Unsealed Radionuclides in Diagnostics Aged ANIMALS Biological and medical sciences Biomechanical Phenomena BODY Cadaver COUNTING TECHNIQUES DIAGNOSIS DISEASES Fundamental and applied biological sciences. Psychology Humans Intervertebral Disc Displacement - physiopathology Lumbar Vertebrae - diagnostic imaging Lumbar Vertebrae - physiopathology MAMMALS MAN MECHANICAL PROPERTIES ORGANS PRIMATES RADIOISOTOPE SCANNING RADIOLOGY AND NUCLEAR MEDICINE Radionuclide Imaging SKELETAL DISEASES SKELETON Skeleton and joints VERTEBRAE VERTEBRATES Vertebrates: osteoarticular system, musculoskeletal system |
| title | Regional variations in the compressive properties of lumbar vertebral trabeculae: effects of disc degeneration |
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