Potential Role of Optimal Velocity as a Qualitative Factor of Physical Functional Performance in Women Aged 72 to 96 Years
Abstract Clémençon M, Hautier CA, Rahmani A, Cornu C, Bonnefoy M. Potential role of optimal velocity as a qualitative factor of physical functional performance in women aged 72 to 96 years. Objective To assess the relationship of maximal leg power and its corresponding determinants (eg, optimal velo...
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description | Abstract Clémençon M, Hautier CA, Rahmani A, Cornu C, Bonnefoy M. Potential role of optimal velocity as a qualitative factor of physical functional performance in women aged 72 to 96 years. Objective To assess the relationship of maximal leg power and its corresponding determinants (eg, optimal velocity and optimal torque) measured during maximal voluntary knee extension to physical functional performance of older women. Design Descriptive. Setting Community retirement homes. Participants Women (N=39) aged 72 to 96 years. Interventions Not applicable. Main Outcome Measures Volunteers performed in sitting position maximal knee extensions on an Ergopower dynamometer to calculate maximal leg power, optimal velocity, and optimal torque. Three standardized tests were also performed to evaluate physical performance: walking speed over 6m, time taken to rise 5 times from a chair, and time to climb 6 stairs. Results On multiple regression analysis, leg power (mean, 1.37±0.80W/kg) significantly correlated with physical performance as measured by 6-m walking speed (mean, .85±.40m/s), chair-stand time (mean, 16.3±7.7s), and stair-climb time (mean, 7±4s), describing 16% to 33% of the variance. Optimal velocity (mean, 1.79±1.20 rad/s) also significantly correlated with 6-m walking speed, chair-stand time, and stair-climb time, describing 46% to 89% of the variance. Optimal torque (50.8±16.9Nm) did not correlate with physical performance. Conclusions Maximal power and moreover optimal velocity were thus found to be determinants of physical performance, both appearing as significant mobility factors in older adults. This may provide more focus on velocity-oriented training as a means of improving functional status. |
doi_str_mv | 10.1016/j.apmr.2007.11.061 |
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Potential role of optimal velocity as a qualitative factor of physical functional performance in women aged 72 to 96 years. Objective To assess the relationship of maximal leg power and its corresponding determinants (eg, optimal velocity and optimal torque) measured during maximal voluntary knee extension to physical functional performance of older women. Design Descriptive. Setting Community retirement homes. Participants Women (N=39) aged 72 to 96 years. Interventions Not applicable. Main Outcome Measures Volunteers performed in sitting position maximal knee extensions on an Ergopower dynamometer to calculate maximal leg power, optimal velocity, and optimal torque. Three standardized tests were also performed to evaluate physical performance: walking speed over 6m, time taken to rise 5 times from a chair, and time to climb 6 stairs. Results On multiple regression analysis, leg power (mean, 1.37±0.80W/kg) significantly correlated with physical performance as measured by 6-m walking speed (mean, .85±.40m/s), chair-stand time (mean, 16.3±7.7s), and stair-climb time (mean, 7±4s), describing 16% to 33% of the variance. Optimal velocity (mean, 1.79±1.20 rad/s) also significantly correlated with 6-m walking speed, chair-stand time, and stair-climb time, describing 46% to 89% of the variance. Optimal torque (50.8±16.9Nm) did not correlate with physical performance. Conclusions Maximal power and moreover optimal velocity were thus found to be determinants of physical performance, both appearing as significant mobility factors in older adults. This may provide more focus on velocity-oriented training as a means of improving functional status.</description><identifier>ISSN: 0003-9993</identifier><identifier>EISSN: 1532-821X</identifier><identifier>DOI: 10.1016/j.apmr.2007.11.061</identifier><identifier>PMID: 18674993</identifier><identifier>CODEN: APMHAI</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Activities of Daily Living ; Aged - physiology ; Aged, 80 and over - physiology ; Biological and medical sciences ; Diseases of the osteoarticular system ; Female ; Human health and pathology ; Humans ; Leg ; Life Sciences ; Medical sciences ; Miscellaneous ; Muscle Strength - physiology ; Muscle Strength Dynamometer ; Physical Fitness - physiology ; Physical Medicine and Rehabilitation ; Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) ; Reference Values ; Regression Analysis ; Rehabilitation ; Tissues and Organs ; Walking - physiology</subject><ispartof>Archives of physical medicine and rehabilitation, 2008-08, Vol.89 (8), p.1594-1599</ispartof><rights>American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation</rights><rights>2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation</rights><rights>2008 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c539t-c37db27b7636eeb4d2a86298454432ce2ea4d10f8a890de59fa4e57ce649d5823</citedby><cites>FETCH-LOGICAL-c539t-c37db27b7636eeb4d2a86298454432ce2ea4d10f8a890de59fa4e57ce649d5823</cites><orcidid>0000-0002-9845-2456 ; 0000-0001-9495-0602 ; 0000-0001-8800-9592</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.apmr.2007.11.061$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20552139$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18674993$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-02318941$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Clémençon, Michel, MSc</creatorcontrib><creatorcontrib>Hautier, Christophe A., PhD</creatorcontrib><creatorcontrib>Rahmani, Abdel, PhD</creatorcontrib><creatorcontrib>Cornu, Catherine, MD, PhD</creatorcontrib><creatorcontrib>Bonnefoy, Marc, MD, PhD</creatorcontrib><title>Potential Role of Optimal Velocity as a Qualitative Factor of Physical Functional Performance in Women Aged 72 to 96 Years</title><title>Archives of physical medicine and rehabilitation</title><addtitle>Arch Phys Med Rehabil</addtitle><description>Abstract Clémençon M, Hautier CA, Rahmani A, Cornu C, Bonnefoy M. Potential role of optimal velocity as a qualitative factor of physical functional performance in women aged 72 to 96 years. Objective To assess the relationship of maximal leg power and its corresponding determinants (eg, optimal velocity and optimal torque) measured during maximal voluntary knee extension to physical functional performance of older women. Design Descriptive. Setting Community retirement homes. Participants Women (N=39) aged 72 to 96 years. Interventions Not applicable. Main Outcome Measures Volunteers performed in sitting position maximal knee extensions on an Ergopower dynamometer to calculate maximal leg power, optimal velocity, and optimal torque. Three standardized tests were also performed to evaluate physical performance: walking speed over 6m, time taken to rise 5 times from a chair, and time to climb 6 stairs. Results On multiple regression analysis, leg power (mean, 1.37±0.80W/kg) significantly correlated with physical performance as measured by 6-m walking speed (mean, .85±.40m/s), chair-stand time (mean, 16.3±7.7s), and stair-climb time (mean, 7±4s), describing 16% to 33% of the variance. Optimal velocity (mean, 1.79±1.20 rad/s) also significantly correlated with 6-m walking speed, chair-stand time, and stair-climb time, describing 46% to 89% of the variance. Optimal torque (50.8±16.9Nm) did not correlate with physical performance. Conclusions Maximal power and moreover optimal velocity were thus found to be determinants of physical performance, both appearing as significant mobility factors in older adults. This may provide more focus on velocity-oriented training as a means of improving functional status.</description><subject>Activities of Daily Living</subject><subject>Aged - physiology</subject><subject>Aged, 80 and over - physiology</subject><subject>Biological and medical sciences</subject><subject>Diseases of the osteoarticular system</subject><subject>Female</subject><subject>Human health and pathology</subject><subject>Humans</subject><subject>Leg</subject><subject>Life Sciences</subject><subject>Medical sciences</subject><subject>Miscellaneous</subject><subject>Muscle Strength - physiology</subject><subject>Muscle Strength Dynamometer</subject><subject>Physical Fitness - physiology</subject><subject>Physical Medicine and Rehabilitation</subject><subject>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</subject><subject>Reference Values</subject><subject>Regression Analysis</subject><subject>Rehabilitation</subject><subject>Tissues and Organs</subject><subject>Walking - physiology</subject><issn>0003-9993</issn><issn>1532-821X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kk2LFDEQhoMo7uzqH_AguSh46DFf3Z2ALAyLsysM7Pitp5BJV7sZuztjkh4Yf71pZljBg6dUFU9VkvcthJ5RMqeEVq-3c7Prw5wRUs8pnZOKPkAzWnJWSEa_PUQzQggvlFL8DJ3HuM1pVXL6GJ1RWdUi12fo99onGJIzHf7gO8C-xbe75Pqcf4HOW5cO2ERs8PvRdC6Z5PaAl8YmHyZ2fXeIzmZ4OQ42OT_kcA2h9aE3gwXsBvzV9zDgxQ9ocM1w8lhV-DuYEJ-gR63pIjw9nRfo8_Ltp6ubYnV7_e5qsSpsyVUqLK-bDas3dcUrgI1omJEVU1KUQnBmgYERDSWtNFKRBkrVGgFlbaESqikl4xfo1XHunen0LuS_hYP2xumbxUpPNcI4lUrQPc3syyO7C_7XCDHp3kULXWcG8GPUleK1kEJlkB1BG3yMAdr7yZToyR291ZM7enJHU6qzO7np-Wn6uOmh-dtysiMDL06AiVnVNmQRXbznGClLRvl0-5sjB1m3vYOgo3WQBW9cAJt0493_33H5T7vt3DD5-BMOELd-DNnIqKmOTBP9cdqjaY2IzAEliv8BxVzBMw</recordid><startdate>20080801</startdate><enddate>20080801</enddate><creator>Clémençon, Michel, MSc</creator><creator>Hautier, Christophe A., PhD</creator><creator>Rahmani, Abdel, PhD</creator><creator>Cornu, Catherine, MD, PhD</creator><creator>Bonnefoy, Marc, MD, PhD</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-9845-2456</orcidid><orcidid>https://orcid.org/0000-0001-9495-0602</orcidid><orcidid>https://orcid.org/0000-0001-8800-9592</orcidid></search><sort><creationdate>20080801</creationdate><title>Potential Role of Optimal Velocity as a Qualitative Factor of Physical Functional Performance in Women Aged 72 to 96 Years</title><author>Clémençon, Michel, MSc ; Hautier, Christophe A., PhD ; Rahmani, Abdel, PhD ; Cornu, Catherine, MD, PhD ; Bonnefoy, Marc, MD, PhD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c539t-c37db27b7636eeb4d2a86298454432ce2ea4d10f8a890de59fa4e57ce649d5823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Activities of Daily Living</topic><topic>Aged - physiology</topic><topic>Aged, 80 and over - physiology</topic><topic>Biological and medical sciences</topic><topic>Diseases of the osteoarticular system</topic><topic>Female</topic><topic>Human health and pathology</topic><topic>Humans</topic><topic>Leg</topic><topic>Life Sciences</topic><topic>Medical sciences</topic><topic>Miscellaneous</topic><topic>Muscle Strength - physiology</topic><topic>Muscle Strength Dynamometer</topic><topic>Physical Fitness - physiology</topic><topic>Physical Medicine and Rehabilitation</topic><topic>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</topic><topic>Reference Values</topic><topic>Regression Analysis</topic><topic>Rehabilitation</topic><topic>Tissues and Organs</topic><topic>Walking - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Clémençon, Michel, MSc</creatorcontrib><creatorcontrib>Hautier, Christophe A., PhD</creatorcontrib><creatorcontrib>Rahmani, Abdel, PhD</creatorcontrib><creatorcontrib>Cornu, Catherine, MD, PhD</creatorcontrib><creatorcontrib>Bonnefoy, Marc, MD, PhD</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Archives of physical medicine and rehabilitation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Clémençon, Michel, MSc</au><au>Hautier, Christophe A., PhD</au><au>Rahmani, Abdel, PhD</au><au>Cornu, Catherine, MD, PhD</au><au>Bonnefoy, Marc, MD, PhD</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Potential Role of Optimal Velocity as a Qualitative Factor of Physical Functional Performance in Women Aged 72 to 96 Years</atitle><jtitle>Archives of physical medicine and rehabilitation</jtitle><addtitle>Arch Phys Med Rehabil</addtitle><date>2008-08-01</date><risdate>2008</risdate><volume>89</volume><issue>8</issue><spage>1594</spage><epage>1599</epage><pages>1594-1599</pages><issn>0003-9993</issn><eissn>1532-821X</eissn><coden>APMHAI</coden><abstract>Abstract Clémençon M, Hautier CA, Rahmani A, Cornu C, Bonnefoy M. Potential role of optimal velocity as a qualitative factor of physical functional performance in women aged 72 to 96 years. Objective To assess the relationship of maximal leg power and its corresponding determinants (eg, optimal velocity and optimal torque) measured during maximal voluntary knee extension to physical functional performance of older women. Design Descriptive. Setting Community retirement homes. Participants Women (N=39) aged 72 to 96 years. Interventions Not applicable. Main Outcome Measures Volunteers performed in sitting position maximal knee extensions on an Ergopower dynamometer to calculate maximal leg power, optimal velocity, and optimal torque. Three standardized tests were also performed to evaluate physical performance: walking speed over 6m, time taken to rise 5 times from a chair, and time to climb 6 stairs. Results On multiple regression analysis, leg power (mean, 1.37±0.80W/kg) significantly correlated with physical performance as measured by 6-m walking speed (mean, .85±.40m/s), chair-stand time (mean, 16.3±7.7s), and stair-climb time (mean, 7±4s), describing 16% to 33% of the variance. Optimal velocity (mean, 1.79±1.20 rad/s) also significantly correlated with 6-m walking speed, chair-stand time, and stair-climb time, describing 46% to 89% of the variance. Optimal torque (50.8±16.9Nm) did not correlate with physical performance. Conclusions Maximal power and moreover optimal velocity were thus found to be determinants of physical performance, both appearing as significant mobility factors in older adults. This may provide more focus on velocity-oriented training as a means of improving functional status.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>18674993</pmid><doi>10.1016/j.apmr.2007.11.061</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-9845-2456</orcidid><orcidid>https://orcid.org/0000-0001-9495-0602</orcidid><orcidid>https://orcid.org/0000-0001-8800-9592</orcidid></addata></record> |
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subjects | Activities of Daily Living Aged - physiology Aged, 80 and over - physiology Biological and medical sciences Diseases of the osteoarticular system Female Human health and pathology Humans Leg Life Sciences Medical sciences Miscellaneous Muscle Strength - physiology Muscle Strength Dynamometer Physical Fitness - physiology Physical Medicine and Rehabilitation Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Reference Values Regression Analysis Rehabilitation Tissues and Organs Walking - physiology |
title | Potential Role of Optimal Velocity as a Qualitative Factor of Physical Functional Performance in Women Aged 72 to 96 Years |
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