Comparison of tibialis anterior muscle electromyography, ankle angle, and velocity when individuals post stroke walk with different orthoses
Background: Ankle-foot orthoses (AFO) have been used to improve the gait of individuals post stroke, but their use has come into question secondary to increased understanding of motor re-learning. Objectives: The purpose of this study was to determine if there is a change in tibialis anterior muscle...
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| Veröffentlicht in: | Prosthetics and orthotics international 2011-12, Vol.35 (4), p.402-410 |
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| creator | Lairamore, Chad Garrison, M Kevin Bandy, William Zabel, Reta |
| description | Background: Ankle-foot orthoses (AFO) have been used to improve the gait of individuals post stroke, but their use has come into question secondary to increased understanding of motor re-learning.
Objectives: The purpose of this study was to determine if there is a change in tibialis anterior muscle electromyography, ankle angle, or gait velocity when individuals post stroke walk with a posterior leaf-spring AFO (PLAFO) or a dynamic ankle orthosis (DAO).
Study Design: Repeated measures.
Methods: Fifteen participants post stroke walked without an orthosis, with a PLAFO, and with a DAO. Data were gathered using electromyography, force plates, and three-dimensional motion analysis cameras. A repeated measures ANOVA was used to test for statistical significance (p ≤ 0.05).
Results: Participants exhibited significantly less tibialis anterior muscle electromyography during the swing phase of gait with use of a DAO (p |
| doi_str_mv | 10.1177/0309364611417040 |
| format | Article |
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Objectives: The purpose of this study was to determine if there is a change in tibialis anterior muscle electromyography, ankle angle, or gait velocity when individuals post stroke walk with a posterior leaf-spring AFO (PLAFO) or a dynamic ankle orthosis (DAO).
Study Design: Repeated measures.
Methods: Fifteen participants post stroke walked without an orthosis, with a PLAFO, and with a DAO. Data were gathered using electromyography, force plates, and three-dimensional motion analysis cameras. A repeated measures ANOVA was used to test for statistical significance (p ≤ 0.05).
Results: Participants exhibited significantly less tibialis anterior muscle electromyography during the swing phase of gait with use of a DAO (p < 0.001). No change in velocity or ankle angle was exhibited with use of either orthosis.
Conclusions: The results support therapists’ notions that bracing can lead to a decline in tibialis anterior muscle activity during the swing phase of gait. The results also showed no improvement in gait velocity when either orthosis was used by participants who could walk without an orthosis.</description><identifier>ISSN: 0309-3646</identifier><identifier>EISSN: 1746-1553</identifier><identifier>DOI: 10.1177/0309364611417040</identifier><identifier>PMID: 21816883</identifier><language>eng</language><publisher>London, England: SAGE Publications</publisher><subject>Adult ; Aged ; Ankle ; Ankle Joint - physiology ; Biomechanical Phenomena ; Electromyography ; Female ; Foot ; Gait - physiology ; Humans ; Male ; Middle Aged ; Motor Activity - physiology ; Muscle, Skeletal - physiology ; Orthotic Devices ; Range of Motion, Articular - physiology ; Reproducibility of Results ; Stroke - physiopathology ; Walking - physiology</subject><ispartof>Prosthetics and orthotics international, 2011-12, Vol.35 (4), p.402-410</ispartof><rights>International Society for Prosthetics and Orthotics International 2011</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c336t-d41683bd80519b5297103c3189ea887580dfca83fd32f08e326f490afa6d03263</citedby><cites>FETCH-LOGICAL-c336t-d41683bd80519b5297103c3189ea887580dfca83fd32f08e326f490afa6d03263</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1177/0309364611417040$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1177/0309364611417040$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,776,780,21798,27901,27902,43597,43598</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21816883$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lairamore, Chad</creatorcontrib><creatorcontrib>Garrison, M Kevin</creatorcontrib><creatorcontrib>Bandy, William</creatorcontrib><creatorcontrib>Zabel, Reta</creatorcontrib><title>Comparison of tibialis anterior muscle electromyography, ankle angle, and velocity when individuals post stroke walk with different orthoses</title><title>Prosthetics and orthotics international</title><addtitle>Prosthet Orthot Int</addtitle><description>Background: Ankle-foot orthoses (AFO) have been used to improve the gait of individuals post stroke, but their use has come into question secondary to increased understanding of motor re-learning.
Objectives: The purpose of this study was to determine if there is a change in tibialis anterior muscle electromyography, ankle angle, or gait velocity when individuals post stroke walk with a posterior leaf-spring AFO (PLAFO) or a dynamic ankle orthosis (DAO).
Study Design: Repeated measures.
Methods: Fifteen participants post stroke walked without an orthosis, with a PLAFO, and with a DAO. Data were gathered using electromyography, force plates, and three-dimensional motion analysis cameras. A repeated measures ANOVA was used to test for statistical significance (p ≤ 0.05).
Results: Participants exhibited significantly less tibialis anterior muscle electromyography during the swing phase of gait with use of a DAO (p < 0.001). No change in velocity or ankle angle was exhibited with use of either orthosis.
Conclusions: The results support therapists’ notions that bracing can lead to a decline in tibialis anterior muscle activity during the swing phase of gait. The results also showed no improvement in gait velocity when either orthosis was used by participants who could walk without an orthosis.</description><subject>Adult</subject><subject>Aged</subject><subject>Ankle</subject><subject>Ankle Joint - physiology</subject><subject>Biomechanical Phenomena</subject><subject>Electromyography</subject><subject>Female</subject><subject>Foot</subject><subject>Gait - physiology</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Motor Activity - physiology</subject><subject>Muscle, Skeletal - physiology</subject><subject>Orthotic Devices</subject><subject>Range of Motion, Articular - physiology</subject><subject>Reproducibility of Results</subject><subject>Stroke - physiopathology</subject><subject>Walking - physiology</subject><issn>0309-3646</issn><issn>1746-1553</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kT1v2zAQhomgQeOk3TMV3LpEyVGURGosjHwBAbK0s0CLR5sxJaokFcP_IT-6NJx2KJDpcHfP--I-CLlkcM2YEDfAoeVN1TBWMQEVnJAFE1VTsLrmn8ji0C4O_TNyHuMLABdtC5_JWckka6TkC_K29MOkgo1-pN7QZFdWORupGhMG6wMd5tg7pOiwT8EPe78OatrsrzKxzXU1rh0eEk1f0fnepj3dbXCkdtT21epZuUgnHxONWb5FulNuS3c2bai2xmDAMVEf0sZHjF_Iqck8fn2PF-TX3e3P5UPx9Hz_uPzxVPScN6nQVR6er7SEmrWrumwFA95zJltUUopagja9ktxoXhqQyMvGVC0ooxoNOeEX5PvRdwr-94wxdYONPTqnRvRz7FoQwBtRQibhSPbBxxjQdFOwgwr7jkF3eEH3_wuy5Nu7-bwaUP8T_L15BoojENUauxc_hzEv-7HhH8PEkJo</recordid><startdate>201112</startdate><enddate>201112</enddate><creator>Lairamore, Chad</creator><creator>Garrison, M Kevin</creator><creator>Bandy, William</creator><creator>Zabel, Reta</creator><general>SAGE Publications</general><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>201112</creationdate><title>Comparison of tibialis anterior muscle electromyography, ankle angle, and velocity when individuals post stroke walk with different orthoses</title><author>Lairamore, Chad ; Garrison, M Kevin ; Bandy, William ; Zabel, Reta</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c336t-d41683bd80519b5297103c3189ea887580dfca83fd32f08e326f490afa6d03263</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Ankle</topic><topic>Ankle Joint - physiology</topic><topic>Biomechanical Phenomena</topic><topic>Electromyography</topic><topic>Female</topic><topic>Foot</topic><topic>Gait - physiology</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Motor Activity - physiology</topic><topic>Muscle, Skeletal - physiology</topic><topic>Orthotic Devices</topic><topic>Range of Motion, Articular - physiology</topic><topic>Reproducibility of Results</topic><topic>Stroke - physiopathology</topic><topic>Walking - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lairamore, Chad</creatorcontrib><creatorcontrib>Garrison, M Kevin</creatorcontrib><creatorcontrib>Bandy, William</creatorcontrib><creatorcontrib>Zabel, Reta</creatorcontrib><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>Prosthetics and orthotics international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lairamore, Chad</au><au>Garrison, M Kevin</au><au>Bandy, William</au><au>Zabel, Reta</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparison of tibialis anterior muscle electromyography, ankle angle, and velocity when individuals post stroke walk with different orthoses</atitle><jtitle>Prosthetics and orthotics international</jtitle><addtitle>Prosthet Orthot Int</addtitle><date>2011-12</date><risdate>2011</risdate><volume>35</volume><issue>4</issue><spage>402</spage><epage>410</epage><pages>402-410</pages><issn>0309-3646</issn><eissn>1746-1553</eissn><abstract>Background: Ankle-foot orthoses (AFO) have been used to improve the gait of individuals post stroke, but their use has come into question secondary to increased understanding of motor re-learning.
Objectives: The purpose of this study was to determine if there is a change in tibialis anterior muscle electromyography, ankle angle, or gait velocity when individuals post stroke walk with a posterior leaf-spring AFO (PLAFO) or a dynamic ankle orthosis (DAO).
Study Design: Repeated measures.
Methods: Fifteen participants post stroke walked without an orthosis, with a PLAFO, and with a DAO. Data were gathered using electromyography, force plates, and three-dimensional motion analysis cameras. A repeated measures ANOVA was used to test for statistical significance (p ≤ 0.05).
Results: Participants exhibited significantly less tibialis anterior muscle electromyography during the swing phase of gait with use of a DAO (p < 0.001). No change in velocity or ankle angle was exhibited with use of either orthosis.
Conclusions: The results support therapists’ notions that bracing can lead to a decline in tibialis anterior muscle activity during the swing phase of gait. The results also showed no improvement in gait velocity when either orthosis was used by participants who could walk without an orthosis.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><pmid>21816883</pmid><doi>10.1177/0309364611417040</doi><tpages>9</tpages></addata></record> |
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| ispartof | Prosthetics and orthotics international, 2011-12, Vol.35 (4), p.402-410 |
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| source | SAGE Complete A-Z List; MEDLINE |
| subjects | Adult Aged Ankle Ankle Joint - physiology Biomechanical Phenomena Electromyography Female Foot Gait - physiology Humans Male Middle Aged Motor Activity - physiology Muscle, Skeletal - physiology Orthotic Devices Range of Motion, Articular - physiology Reproducibility of Results Stroke - physiopathology Walking - physiology |
| title | Comparison of tibialis anterior muscle electromyography, ankle angle, and velocity when individuals post stroke walk with different orthoses |
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