Trunk Muscle Strength, But Not Trunk Rigidity, Is Independently Associated with Bone Mineral Density of the Lumbar Spine in Patients with Parkinson's Disease
Identifieur interne : 002D68 ( Main/Merge ); précédent : 002D67; suivant : 002D69Trunk Muscle Strength, But Not Trunk Rigidity, Is Independently Associated with Bone Mineral Density of the Lumbar Spine in Patients with Parkinson's Disease
Auteurs : Marco Y. C. Pang [Hong Kong] ; Margaret K. Y. Mak [Hong Kong]Source :
- Movement disorders [ 0885-3185 ] ; 2009.
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- Pascal (Inist)
- Wicri :
- topic : Homme.
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Abstract
Previous literature suggested that muscle forces applied to the skeleton may be an important factor in increasing bone mineral density (BMD). This purpose of this study was to determine whether trunk rigidity and trunk muscle strength were associated with lumbar spine BMD in patients with Parkinson's disease (PD). Forty-three PD patients and 29 controls participated in this study. Dual-energy X-ray absorptiometry was used to measure lumbar spine BMD of PD patients. Additionally, an isokinetic dynamometer was used to evaluate trunk rigidity and trunk muscle strength of all subjects. The results showed that PD patients had significantly lower trunk muscle strength, but more trunk rigidity than controls by 46.6 and 162.8%, respectively (P < 0.001). In bivariate correlation analysis, lumbar spine BMD was significantly related to trunk muscle strength (r = 0.475, P = 0.001), but not trunk rigidity (r = 0.271, P = 0.079). In multiple regression analysis, after adjusting for relevant factors, only trunk muscle strength remained independently associated with lumbar spine BMD, accounting for 10.0% of the variance (R2 = 0.342, F5,37 = 3.838, P = 0.007). Trunk muscle strength, but not trunk rigidity, is independently associated with lumbar spine BMD in patients with PD. Further randomized controlled studies are required to determine whether trunk muscle strengthening exercise is effective in enhancing lumbar spine BMD.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Trunk Muscle Strength, But Not Trunk Rigidity, Is Independently Associated with Bone Mineral Density of the Lumbar Spine in Patients with Parkinson's Disease</title><author><name sortKey="Pang, Marco Y C" sort="Pang, Marco Y C" uniqKey="Pang M" first="Marco Y. C." last="Pang">Marco Y. C. Pang</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Rehabilitation Sciences, Hong Kong Polytechnic University</s1><s3>HKG</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Hong Kong</country><wicri:noRegion>Department of Rehabilitation Sciences, Hong Kong Polytechnic University</wicri:noRegion></affiliation></author><author><name sortKey="Mak, Margaret K Y" sort="Mak, Margaret K Y" uniqKey="Mak M" first="Margaret K. Y." last="Mak">Margaret K. Y. Mak</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Rehabilitation Sciences, Hong Kong Polytechnic University</s1><s3>HKG</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Hong Kong</country><wicri:noRegion>Department of Rehabilitation Sciences, Hong Kong Polytechnic University</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">09-0301993</idno><date when="2009">2009</date><idno type="stanalyst">PASCAL 09-0301993 INIST</idno><idno type="RBID">Pascal:09-0301993</idno><idno type="wicri:Area/PascalFrancis/Corpus">000E47</idno><idno type="wicri:Area/PascalFrancis/Curation">001E72</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000C71</idno><idno type="wicri:doubleKey">0885-3185:2009:Pang M:trunk:muscle:strength</idno><idno type="wicri:Area/Main/Merge">002D68</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Trunk Muscle Strength, But Not Trunk Rigidity, Is Independently Associated with Bone Mineral Density of the Lumbar Spine in Patients with Parkinson's Disease</title><author><name sortKey="Pang, Marco Y C" sort="Pang, Marco Y C" uniqKey="Pang M" first="Marco Y. C." last="Pang">Marco Y. C. Pang</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Rehabilitation Sciences, Hong Kong Polytechnic University</s1><s3>HKG</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Hong Kong</country><wicri:noRegion>Department of Rehabilitation Sciences, Hong Kong Polytechnic University</wicri:noRegion></affiliation></author><author><name sortKey="Mak, Margaret K Y" sort="Mak, Margaret K Y" uniqKey="Mak M" first="Margaret K. Y." last="Mak">Margaret K. Y. Mak</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Rehabilitation Sciences, Hong Kong Polytechnic University</s1><s3>HKG</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Hong Kong</country><wicri:noRegion>Department of Rehabilitation Sciences, Hong Kong Polytechnic University</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Movement disorders</title><title level="j" type="abbreviated">Mov. disord.</title><idno type="ISSN">0885-3185</idno><imprint><date when="2009">2009</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Movement disorders</title><title level="j" type="abbreviated">Mov. disord.</title><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bone mineral density</term><term>Human</term><term>Lumbar spine</term><term>Nervous system diseases</term><term>Osteoporosis</term><term>Parkinson disease</term><term>Rehabilitation</term><term>Strength</term><term>Trunk</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Maladie de Parkinson</term><term>Ostéoporose</term><term>Pathologie du système nerveux</term><term>Tronc</term><term>Résistance mécanique</term><term>Densité minérale osseuse</term><term>Rachis lombaire</term><term>Homme</term><term>Réhabilitation</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Previous literature suggested that muscle forces applied to the skeleton may be an important factor in increasing bone mineral density (BMD). This purpose of this study was to determine whether trunk rigidity and trunk muscle strength were associated with lumbar spine BMD in patients with Parkinson's disease (PD). Forty-three PD patients and 29 controls participated in this study. Dual-energy X-ray absorptiometry was used to measure lumbar spine BMD of PD patients. Additionally, an isokinetic dynamometer was used to evaluate trunk rigidity and trunk muscle strength of all subjects. The results showed that PD patients had significantly lower trunk muscle strength, but more trunk rigidity than controls by 46.6 and 162.8%, respectively (P < 0.001). In bivariate correlation analysis, lumbar spine BMD was significantly related to trunk muscle strength (r = 0.475, P = 0.001), but not trunk rigidity (r = 0.271, P = 0.079). In multiple regression analysis, after adjusting for relevant factors, only trunk muscle strength remained independently associated with lumbar spine BMD, accounting for 10.0% of the variance (R<sup>2</sup> = 0.342, F<sub>5,37</sub> = 3.838, P = 0.007). Trunk muscle strength, but not trunk rigidity, is independently associated with lumbar spine BMD in patients with PD. Further randomized controlled studies are required to determine whether trunk muscle strengthening exercise is effective in enhancing lumbar spine BMD.</div></front></TEI><affiliations><list><country><li>Hong Kong</li></country></list><tree><country name="Hong Kong"><noRegion><name sortKey="Pang, Marco Y C" sort="Pang, Marco Y C" uniqKey="Pang M" first="Marco Y. C." last="Pang">Marco Y. C. Pang</name></noRegion><name sortKey="Mak, Margaret K Y" sort="Mak, Margaret K Y" uniqKey="Mak M" first="Margaret K. Y." last="Mak">Margaret K. Y. 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