Intrinsic Properties of the Knee Extensor Muscles After Subacute Stroke
Abstract Horstman AM, Gerrits KH, Beltman MJ, Koppe PA, Janssen, TW, de Haan A. Intrinsic properties of the knee extensor muscles after subacute stroke. Objective To characterize muscle properties of paretic lower-limb (PL) and nonparetic lower-limb (NL) knee extensors in patients with subacute stro...
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| Veröffentlicht in: | Archives of physical medicine and rehabilitation 2010, Vol.91 (1), p.123-128 |
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| creator | Horstman, Astrid M., MSc Gerrits, Karin H., PhD Beltman, Marijke J., PhD Koppe, Peter A., MD Janssen, Thomas W., PhD de Haan, Arnold, PhD |
| description | Abstract Horstman AM, Gerrits KH, Beltman MJ, Koppe PA, Janssen, TW, de Haan A. Intrinsic properties of the knee extensor muscles after subacute stroke. Objective To characterize muscle properties of paretic lower-limb (PL) and nonparetic lower-limb (NL) knee extensors in patients with subacute stroke. Design Case-control study. Setting Rehabilitation center research laboratory. Participants Patients with subacute stroke (n=14) and able-bodied age-matched control subjects (n=12). Interventions Not applicable. Main Outcome Measures Half relaxation times (HRTs) and maximal rates of torque development (MRTDs) were assessed as indicators of contractile speed using both voluntary and electrically evoked contractions. Moreover, changes in torque were measured during a fatigue protocol (35 electrically evoked intermittent contractions; 1.5s on, 2s off) and recovery. Results No differences among groups were found for normalized MRTDs during electrically evoked contractions ( P =.117). However, during voluntary contractions both PLs (53% of control, P =.022) and NL (71% of control, P |
| doi_str_mv | 10.1016/j.apmr.2009.09.008 |
| format | Article |
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Intrinsic properties of the knee extensor muscles after subacute stroke. Objective To characterize muscle properties of paretic lower-limb (PL) and nonparetic lower-limb (NL) knee extensors in patients with subacute stroke. Design Case-control study. Setting Rehabilitation center research laboratory. Participants Patients with subacute stroke (n=14) and able-bodied age-matched control subjects (n=12). Interventions Not applicable. Main Outcome Measures Half relaxation times (HRTs) and maximal rates of torque development (MRTDs) were assessed as indicators of contractile speed using both voluntary and electrically evoked contractions. Moreover, changes in torque were measured during a fatigue protocol (35 electrically evoked intermittent contractions; 1.5s on, 2s off) and recovery. Results No differences among groups were found for normalized MRTDs during electrically evoked contractions ( P =.117). However, during voluntary contractions both PLs (53% of control, P =.022) and NL (71% of control, P <.001) had significantly lower MRTD compared with control. Both PL (134% of control, P =.001) and NL (123% of control, P =.032) had significantly higher HRTs than control, indicating muscle slowing in patients with subacute stroke. PLs fatigued more and faster than control ( P =.011) and both PL and NL recovered slower ( P <.001). Conclusions The changes in HRTs and fatigue suggest adaptations in muscle properties toward slower, more fatigable muscle shortly after stroke. The inability to make use of contractile speed because of impaired neural activation seems the most limiting factor during the initial phase of torque development in PL. Thus, besides strengthening, muscle endurance and speed should also be addressed during rehabilitation.</description><identifier>ISSN: 0003-9993</identifier><identifier>EISSN: 1532-821X</identifier><identifier>DOI: 10.1016/j.apmr.2009.09.008</identifier><identifier>PMID: 20103406</identifier><identifier>CODEN: APMHAI</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Aged ; Biological and medical sciences ; Case-Control Studies ; Diseases of the osteoarticular system ; Electric Stimulation ; Fatigue ; Female ; Humans ; Knee ; Lower Extremity ; Male ; Medical sciences ; Middle Aged ; Miscellaneous ; Muscle Contraction - physiology ; Muscle Fatigue - physiology ; Muscle relaxation ; Muscle Relaxation - physiology ; Muscle, Skeletal - physiopathology ; Neurology ; Paresis - physiopathology ; Paresis - rehabilitation ; Physical Medicine and Rehabilitation ; Quadriceps muscle ; Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) ; Rehabilitation ; Stroke - physiopathology ; Stroke Rehabilitation ; Vascular diseases and vascular malformations of the nervous system</subject><ispartof>Archives of physical medicine and rehabilitation, 2010, Vol.91 (1), p.123-128</ispartof><rights>American Congress of Rehabilitation Medicine</rights><rights>2010 American Congress of Rehabilitation Medicine</rights><rights>2015 INIST-CNRS</rights><rights>Copyright (c) 2010 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c506t-b16c51cf3b46c80f1b3281f8ad796a2930897962673c471bd6c6e17039548503</citedby><cites>FETCH-LOGICAL-c506t-b16c51cf3b46c80f1b3281f8ad796a2930897962673c471bd6c6e17039548503</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.apmr.2009.09.008$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,4024,27923,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22319002$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20103406$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Horstman, Astrid M., MSc</creatorcontrib><creatorcontrib>Gerrits, Karin H., PhD</creatorcontrib><creatorcontrib>Beltman, Marijke J., PhD</creatorcontrib><creatorcontrib>Koppe, Peter A., MD</creatorcontrib><creatorcontrib>Janssen, Thomas W., PhD</creatorcontrib><creatorcontrib>de Haan, Arnold, PhD</creatorcontrib><title>Intrinsic Properties of the Knee Extensor Muscles After Subacute Stroke</title><title>Archives of physical medicine and rehabilitation</title><addtitle>Arch Phys Med Rehabil</addtitle><description>Abstract Horstman AM, Gerrits KH, Beltman MJ, Koppe PA, Janssen, TW, de Haan A. Intrinsic properties of the knee extensor muscles after subacute stroke. Objective To characterize muscle properties of paretic lower-limb (PL) and nonparetic lower-limb (NL) knee extensors in patients with subacute stroke. Design Case-control study. Setting Rehabilitation center research laboratory. Participants Patients with subacute stroke (n=14) and able-bodied age-matched control subjects (n=12). Interventions Not applicable. Main Outcome Measures Half relaxation times (HRTs) and maximal rates of torque development (MRTDs) were assessed as indicators of contractile speed using both voluntary and electrically evoked contractions. Moreover, changes in torque were measured during a fatigue protocol (35 electrically evoked intermittent contractions; 1.5s on, 2s off) and recovery. Results No differences among groups were found for normalized MRTDs during electrically evoked contractions ( P =.117). However, during voluntary contractions both PLs (53% of control, P =.022) and NL (71% of control, P <.001) had significantly lower MRTD compared with control. Both PL (134% of control, P =.001) and NL (123% of control, P =.032) had significantly higher HRTs than control, indicating muscle slowing in patients with subacute stroke. PLs fatigued more and faster than control ( P =.011) and both PL and NL recovered slower ( P <.001). Conclusions The changes in HRTs and fatigue suggest adaptations in muscle properties toward slower, more fatigable muscle shortly after stroke. The inability to make use of contractile speed because of impaired neural activation seems the most limiting factor during the initial phase of torque development in PL. Thus, besides strengthening, muscle endurance and speed should also be addressed during rehabilitation.</description><subject>Aged</subject><subject>Biological and medical sciences</subject><subject>Case-Control Studies</subject><subject>Diseases of the osteoarticular system</subject><subject>Electric Stimulation</subject><subject>Fatigue</subject><subject>Female</subject><subject>Humans</subject><subject>Knee</subject><subject>Lower Extremity</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Miscellaneous</subject><subject>Muscle Contraction - physiology</subject><subject>Muscle Fatigue - physiology</subject><subject>Muscle relaxation</subject><subject>Muscle Relaxation - physiology</subject><subject>Muscle, Skeletal - physiopathology</subject><subject>Neurology</subject><subject>Paresis - physiopathology</subject><subject>Paresis - rehabilitation</subject><subject>Physical Medicine and Rehabilitation</subject><subject>Quadriceps muscle</subject><subject>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</subject><subject>Rehabilitation</subject><subject>Stroke - physiopathology</subject><subject>Stroke Rehabilitation</subject><subject>Vascular diseases and vascular malformations of the nervous system</subject><issn>0003-9993</issn><issn>1532-821X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kVFrFDEQgIMo9lr9Az7IvohPe06S3WwCIpTS1mJF4frQt5DNzmKue8mZZMX-e7PcqeCDMJAM-WYmfEPIKwprClS8267NfhfXDECtlwD5hKxoy1ktGb1_SlYAwGulFD8hpyltSypaTp-TEwYUeANiRa5vfI7OJ2errzHsMWaHqQpjlb9h9ckjVpc_M_oUYvV5TnYqj-djxlht5t7YOWO1yTE84AvybDRTwpfH84zcXV3eXXysb79c31yc39a2BZHrngrbUjvyvhFWwkh7ziQdpRk6JQxTHKQqNyY6bpuO9oOwAmkHXLWNbIGfkbeHtvsYvs-Yst65ZHGajMcwJ93xhrVKyoVkB9LGkFLEUe-j25n4qCnoRZ_e6kWfXvTpJUCWotfH9nO_w-FPyW9fBXhzBEyyZhqj8dalvxzjVAGwwr0_cFhc_HAYdbIOvcXBRbRZD8H9_x8f_im3k_OuTHzAR0zbMEdfLGuqE9OgN8uilz1DGd4Jds9_AYV6oRs</recordid><startdate>2010</startdate><enddate>2010</enddate><creator>Horstman, Astrid M., MSc</creator><creator>Gerrits, Karin H., PhD</creator><creator>Beltman, Marijke J., PhD</creator><creator>Koppe, Peter A., MD</creator><creator>Janssen, Thomas W., PhD</creator><creator>de Haan, Arnold, 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></search><sort><creationdate>2010</creationdate><title>Intrinsic Properties of the Knee Extensor Muscles After Subacute Stroke</title><author>Horstman, Astrid M., MSc ; Gerrits, Karin H., PhD ; Beltman, Marijke J., PhD ; Koppe, Peter A., MD ; Janssen, Thomas W., PhD ; de Haan, Arnold, PhD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c506t-b16c51cf3b46c80f1b3281f8ad796a2930897962673c471bd6c6e17039548503</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Aged</topic><topic>Biological and medical sciences</topic><topic>Case-Control Studies</topic><topic>Diseases of the osteoarticular system</topic><topic>Electric Stimulation</topic><topic>Fatigue</topic><topic>Female</topic><topic>Humans</topic><topic>Knee</topic><topic>Lower Extremity</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Miscellaneous</topic><topic>Muscle Contraction - physiology</topic><topic>Muscle Fatigue - physiology</topic><topic>Muscle relaxation</topic><topic>Muscle Relaxation - physiology</topic><topic>Muscle, Skeletal - physiopathology</topic><topic>Neurology</topic><topic>Paresis - physiopathology</topic><topic>Paresis - rehabilitation</topic><topic>Physical Medicine and Rehabilitation</topic><topic>Quadriceps muscle</topic><topic>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</topic><topic>Rehabilitation</topic><topic>Stroke - physiopathology</topic><topic>Stroke Rehabilitation</topic><topic>Vascular diseases and vascular malformations of the nervous system</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Horstman, Astrid M., MSc</creatorcontrib><creatorcontrib>Gerrits, Karin H., PhD</creatorcontrib><creatorcontrib>Beltman, Marijke J., PhD</creatorcontrib><creatorcontrib>Koppe, Peter A., MD</creatorcontrib><creatorcontrib>Janssen, Thomas W., PhD</creatorcontrib><creatorcontrib>de Haan, Arnold, 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><jtitle>Archives of physical medicine and rehabilitation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Horstman, Astrid M., MSc</au><au>Gerrits, Karin H., PhD</au><au>Beltman, Marijke J., PhD</au><au>Koppe, Peter A., MD</au><au>Janssen, Thomas W., PhD</au><au>de Haan, Arnold, PhD</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Intrinsic Properties of the Knee Extensor Muscles After Subacute Stroke</atitle><jtitle>Archives of physical medicine and rehabilitation</jtitle><addtitle>Arch Phys Med Rehabil</addtitle><date>2010</date><risdate>2010</risdate><volume>91</volume><issue>1</issue><spage>123</spage><epage>128</epage><pages>123-128</pages><issn>0003-9993</issn><eissn>1532-821X</eissn><coden>APMHAI</coden><abstract>Abstract Horstman AM, Gerrits KH, Beltman MJ, Koppe PA, Janssen, TW, de Haan A. Intrinsic properties of the knee extensor muscles after subacute stroke. Objective To characterize muscle properties of paretic lower-limb (PL) and nonparetic lower-limb (NL) knee extensors in patients with subacute stroke. Design Case-control study. Setting Rehabilitation center research laboratory. Participants Patients with subacute stroke (n=14) and able-bodied age-matched control subjects (n=12). Interventions Not applicable. Main Outcome Measures Half relaxation times (HRTs) and maximal rates of torque development (MRTDs) were assessed as indicators of contractile speed using both voluntary and electrically evoked contractions. Moreover, changes in torque were measured during a fatigue protocol (35 electrically evoked intermittent contractions; 1.5s on, 2s off) and recovery. Results No differences among groups were found for normalized MRTDs during electrically evoked contractions ( P =.117). However, during voluntary contractions both PLs (53% of control, P =.022) and NL (71% of control, P <.001) had significantly lower MRTD compared with control. Both PL (134% of control, P =.001) and NL (123% of control, P =.032) had significantly higher HRTs than control, indicating muscle slowing in patients with subacute stroke. PLs fatigued more and faster than control ( P =.011) and both PL and NL recovered slower ( P <.001). Conclusions The changes in HRTs and fatigue suggest adaptations in muscle properties toward slower, more fatigable muscle shortly after stroke. The inability to make use of contractile speed because of impaired neural activation seems the most limiting factor during the initial phase of torque development in PL. Thus, besides strengthening, muscle endurance and speed should also be addressed during rehabilitation.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>20103406</pmid><doi>10.1016/j.apmr.2009.09.008</doi><tpages>6</tpages></addata></record> |
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| subjects | Aged Biological and medical sciences Case-Control Studies Diseases of the osteoarticular system Electric Stimulation Fatigue Female Humans Knee Lower Extremity Male Medical sciences Middle Aged Miscellaneous Muscle Contraction - physiology Muscle Fatigue - physiology Muscle relaxation Muscle Relaxation - physiology Muscle, Skeletal - physiopathology Neurology Paresis - physiopathology Paresis - rehabilitation Physical Medicine and Rehabilitation Quadriceps muscle Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Rehabilitation Stroke - physiopathology Stroke Rehabilitation Vascular diseases and vascular malformations of the nervous system |
| title | Intrinsic Properties of the Knee Extensor Muscles After Subacute Stroke |
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