Kinematics of the lumbar spine in elderly subjects with decreased bone mineral density.
Lumbar spine kinematics was studied in subjects with normal bone mineral density, osteopenia and osteoporosis to determine the effect of bone mineral density and morphology on the flexion-extension movement patterns of the lumbar spine. Lateral radiographs and skin-mounted electromagnetic motion tra...
| Publicado en: | Medical & Biological Engineering & Computing Vol. 47; no. 7; pp. 783 - 790 |
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| Autores principales: | , , , , , , , , , , , |
| Formato: | research Journal Article |
| Publicado: |
Springer Nature
Jul2009
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=104906634&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 104906634 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 01400118 PO0 jtl: Medical & Biological Engineering & Computing issn: 01400118 maglogo: N pubinfo: dt: Jul2009 vid: 47 iid: 7 pid: 237 pub: Springer Nature place: New York, New York artinfo: ui: 104906634 NLM19458972 2010304523 10.1007/s11517-009-0493-5 NLM19458972 104906634 ppf: 783 ppct: 7 formats: fmt: @attributes: type: P tig: atl: Kinematics of the lumbar spine in elderly subjects with decreased bone mineral density. aug: au: Ma HT Griffith JF Yang Z Kwok AW Leung PC Lee RY Ma, Heather Ting Griffith, James F Yang, Zhengyi Kwok, Anthony Wai Leung Leung, Ping Chung Lee, Raymond Y W affil: Jockey Club Centre for Osteoporosis Care and Control, Public Health School, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong sug: subj: Bone Density Kinematics Lumbar Vertebrae Bone Diseases, Metabolic Physiopathology Comparative Studies Human Lumbar Vertebrae Radiography Motion Analysis Systems Osteoporosis Physiopathology ab: Lumbar spine kinematics was studied in subjects with normal bone mineral density, osteopenia and osteoporosis to determine the effect of bone mineral density and morphology on the flexion-extension movement patterns of the lumbar spine. Lateral radiographs and skin-mounted electromagnetic motion tracking sensors were employed to study lumbar spine kinematics using a Bayesian Belief Network model. The predicted angular displacement of the vertebrae had a high correlation (r = 0.91, p < 0.001) with the actual movements. The overall mean error was -0.51 degrees +/- 3.11 degrees. Intervertebral angular displacement and velocity consistently increased from L1/L2 to L5/S1. Differences were observed in the movement pattern between normal subjects and those with decreased bone density. In normal subjects, vertebral angular acceleration consistently decreased from the upper to the lower vertebrae but the same consistent predictable pattern was not observed in the subjects with decreased bone mineral density. It is possible that these changes in kinematic behaviours are related to morphological changes as well as altered neuromuscular functions. pubtype: Academic Journal doctype: research Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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