Posturographic and ankle muscle activation characteristics in patients with haemophilia
Introduction The objective of this work was to examine the interrelations of posturographic and surface EMG (SEMG) characteristics of ankle muscles in patients with haemophilia while standing naturally. Methods Surface EMG of five bilaterally recorded ankle muscles was conducted in 24 patients with...
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| Veröffentlicht in: | Haemophilia : the official journal of the World Federation of Hemophilia 2019-01, Vol.25 (1), p.136-143 |
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| creator | Kurz, Eduard Herbsleb, Marco Gabriel, Holger H. W. Hilberg, Thomas |
| description | Introduction
The objective of this work was to examine the interrelations of posturographic and surface EMG (SEMG) characteristics of ankle muscles in patients with haemophilia while standing naturally.
Methods
Surface EMG of five bilaterally recorded ankle muscles was conducted in 24 patients with haemophilia (PwH, age: 42 [11] years, mean [SD], 22 A, 2 B, 21 severe, 3 moderate) with median (quartiles) WFH orthopaedic joint score of 30 (20/39) points and 24 non‐haemophilic controls (Con, age: 42 [12]). Force plate (IBS) signals were captured simultaneously during bipedal stance with eyes open. Load proportion of the left and right sides as well as heel and forefoot were calculated via four independent pressure transducers. Overall, weight distribution (WD) indices are reported with higher results representing a poorer WD.
Results
Analyses of WD showed large differences between groups (PwH: 10.2 [5.4], Con: 5.2 [2.9], P 0.16) were found for amplitude ratios of the lateral gastrocnemius (LG) muscle. In PwH, the degree of joint alteration of the right lower limb was associated with load proportion of the left side (ρ > 0.64, P = 0.001).
Conclusion
Patients with greater dysbalance showed higher forefoot loads and appeared to compensate their altered joint situations with considerably higher amplitude ratios of LG. Further studies should investigate whether therapeutic interventions could alter postural alignment and muscle activation and how these can influence patients’ joint function and symptoms. |
| doi_str_mv | 10.1111/hae.13650 |
| format | Article |
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The objective of this work was to examine the interrelations of posturographic and surface EMG (SEMG) characteristics of ankle muscles in patients with haemophilia while standing naturally.
Methods
Surface EMG of five bilaterally recorded ankle muscles was conducted in 24 patients with haemophilia (PwH, age: 42 [11] years, mean [SD], 22 A, 2 B, 21 severe, 3 moderate) with median (quartiles) WFH orthopaedic joint score of 30 (20/39) points and 24 non‐haemophilic controls (Con, age: 42 [12]). Force plate (IBS) signals were captured simultaneously during bipedal stance with eyes open. Load proportion of the left and right sides as well as heel and forefoot were calculated via four independent pressure transducers. Overall, weight distribution (WD) indices are reported with higher results representing a poorer WD.
Results
Analyses of WD showed large differences between groups (PwH: 10.2 [5.4], Con: 5.2 [2.9], P < 0.001, d = 1.15). After clustering PwH, large effects (P = 0.02, ηp2 > 0.16) were found for amplitude ratios of the lateral gastrocnemius (LG) muscle. In PwH, the degree of joint alteration of the right lower limb was associated with load proportion of the left side (ρ > 0.64, P = 0.001).
Conclusion
Patients with greater dysbalance showed higher forefoot loads and appeared to compensate their altered joint situations with considerably higher amplitude ratios of LG. Further studies should investigate whether therapeutic interventions could alter postural alignment and muscle activation and how these can influence patients’ joint function and symptoms.</description><identifier>ISSN: 1351-8216</identifier><identifier>EISSN: 1365-2516</identifier><identifier>DOI: 10.1111/hae.13650</identifier><identifier>PMID: 30520541</identifier><language>eng</language><publisher>England: Wiley Subscription Services, Inc</publisher><subject>Adult ; Ankle ; Ankle - physiology ; Case-Control Studies ; Electromyography ; haemophilia ; Hemophilia ; Hemophilia A - pathology ; Hemophilia B - pathology ; Humans ; knee ; Middle Aged ; motor control ; Muscle contraction ; Muscle, Skeletal - physiology ; Muscles ; Postural Balance ; Posture ; SEMG ; Severity of Illness Index ; Therapeutic applications ; upright standing</subject><ispartof>Haemophilia : the official journal of the World Federation of Hemophilia, 2019-01, Vol.25 (1), p.136-143</ispartof><rights>2018 John Wiley & Sons Ltd</rights><rights>2018 John Wiley & Sons Ltd.</rights><rights>2019 John Wiley & Sons Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3530-2ac9b679a24faacca97eeef3aec80e404c75f50ac788f51902a45f0cd24d036f3</citedby><cites>FETCH-LOGICAL-c3530-2ac9b679a24faacca97eeef3aec80e404c75f50ac788f51902a45f0cd24d036f3</cites><orcidid>0000-0002-0935-2526 ; 0000-0001-6931-5615</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fhae.13650$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fhae.13650$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,777,781,1412,27905,27906,45555,45556</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30520541$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kurz, Eduard</creatorcontrib><creatorcontrib>Herbsleb, Marco</creatorcontrib><creatorcontrib>Gabriel, Holger H. W.</creatorcontrib><creatorcontrib>Hilberg, Thomas</creatorcontrib><title>Posturographic and ankle muscle activation characteristics in patients with haemophilia</title><title>Haemophilia : the official journal of the World Federation of Hemophilia</title><addtitle>Haemophilia</addtitle><description>Introduction
The objective of this work was to examine the interrelations of posturographic and surface EMG (SEMG) characteristics of ankle muscles in patients with haemophilia while standing naturally.
Methods
Surface EMG of five bilaterally recorded ankle muscles was conducted in 24 patients with haemophilia (PwH, age: 42 [11] years, mean [SD], 22 A, 2 B, 21 severe, 3 moderate) with median (quartiles) WFH orthopaedic joint score of 30 (20/39) points and 24 non‐haemophilic controls (Con, age: 42 [12]). Force plate (IBS) signals were captured simultaneously during bipedal stance with eyes open. Load proportion of the left and right sides as well as heel and forefoot were calculated via four independent pressure transducers. Overall, weight distribution (WD) indices are reported with higher results representing a poorer WD.
Results
Analyses of WD showed large differences between groups (PwH: 10.2 [5.4], Con: 5.2 [2.9], P < 0.001, d = 1.15). After clustering PwH, large effects (P = 0.02, ηp2 > 0.16) were found for amplitude ratios of the lateral gastrocnemius (LG) muscle. In PwH, the degree of joint alteration of the right lower limb was associated with load proportion of the left side (ρ > 0.64, P = 0.001).
Conclusion
Patients with greater dysbalance showed higher forefoot loads and appeared to compensate their altered joint situations with considerably higher amplitude ratios of LG. Further studies should investigate whether therapeutic interventions could alter postural alignment and muscle activation and how these can influence patients’ joint function and symptoms.</description><subject>Adult</subject><subject>Ankle</subject><subject>Ankle - physiology</subject><subject>Case-Control Studies</subject><subject>Electromyography</subject><subject>haemophilia</subject><subject>Hemophilia</subject><subject>Hemophilia A - pathology</subject><subject>Hemophilia B - pathology</subject><subject>Humans</subject><subject>knee</subject><subject>Middle Aged</subject><subject>motor control</subject><subject>Muscle contraction</subject><subject>Muscle, Skeletal - physiology</subject><subject>Muscles</subject><subject>Postural Balance</subject><subject>Posture</subject><subject>SEMG</subject><subject>Severity of Illness Index</subject><subject>Therapeutic applications</subject><subject>upright standing</subject><issn>1351-8216</issn><issn>1365-2516</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kF1LwzAUhoMobk4v_ANS8EYvup0kTT8ux5hOGOiF4mU5S1Ob2Y-ZtI79ezM7vRAMhDchDw8nLyGXFMbUrUmBakx5KOCIDPfpM0HD4_1ZUD9mNByQM2vXAJQzCE_JgINgIAI6JK9PjW0707wZ3BRaelhnbr-Xyqs6K12gbPUntrqpPVmgcVdltG21tJ6uvY17UXVrva1uC8_NUTVOU2o8Jyc5llZdHHJEXu7mz7OFv3y8f5hNl77kgoPPUCarMEqQBTmilJhESqmco5IxqAACGYlcAMoojnNBE2AYiBxkxoIMeJjzEbnpvRvTfHTKtmmlrVRlibVqOpsyGiWMQ0KpQ6__oOumM7WbzlFhAiDiIHbUbU9J01hrVJ5ujK7Q7FIK6b7t1P0y_W7bsVcHY7eqVPZL_tTrgEkPbHWpdv-b0sV03iu_APLUiag</recordid><startdate>201901</startdate><enddate>201901</enddate><creator>Kurz, Eduard</creator><creator>Herbsleb, Marco</creator><creator>Gabriel, Holger H. W.</creator><creator>Hilberg, Thomas</creator><general>Wiley Subscription Services, Inc</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>7T5</scope><scope>8FD</scope><scope>FR3</scope><scope>H94</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-0935-2526</orcidid><orcidid>https://orcid.org/0000-0001-6931-5615</orcidid></search><sort><creationdate>201901</creationdate><title>Posturographic and ankle muscle activation characteristics in patients with haemophilia</title><author>Kurz, Eduard ; Herbsleb, Marco ; Gabriel, Holger H. W. ; Hilberg, Thomas</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3530-2ac9b679a24faacca97eeef3aec80e404c75f50ac788f51902a45f0cd24d036f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Adult</topic><topic>Ankle</topic><topic>Ankle - physiology</topic><topic>Case-Control Studies</topic><topic>Electromyography</topic><topic>haemophilia</topic><topic>Hemophilia</topic><topic>Hemophilia A - pathology</topic><topic>Hemophilia B - pathology</topic><topic>Humans</topic><topic>knee</topic><topic>Middle Aged</topic><topic>motor control</topic><topic>Muscle contraction</topic><topic>Muscle, Skeletal - physiology</topic><topic>Muscles</topic><topic>Postural Balance</topic><topic>Posture</topic><topic>SEMG</topic><topic>Severity of Illness Index</topic><topic>Therapeutic applications</topic><topic>upright standing</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kurz, Eduard</creatorcontrib><creatorcontrib>Herbsleb, Marco</creatorcontrib><creatorcontrib>Gabriel, Holger H. W.</creatorcontrib><creatorcontrib>Hilberg, Thomas</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Immunology Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Haemophilia : the official journal of the World Federation of Hemophilia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kurz, Eduard</au><au>Herbsleb, Marco</au><au>Gabriel, Holger H. W.</au><au>Hilberg, Thomas</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Posturographic and ankle muscle activation characteristics in patients with haemophilia</atitle><jtitle>Haemophilia : the official journal of the World Federation of Hemophilia</jtitle><addtitle>Haemophilia</addtitle><date>2019-01</date><risdate>2019</risdate><volume>25</volume><issue>1</issue><spage>136</spage><epage>143</epage><pages>136-143</pages><issn>1351-8216</issn><eissn>1365-2516</eissn><abstract>Introduction
The objective of this work was to examine the interrelations of posturographic and surface EMG (SEMG) characteristics of ankle muscles in patients with haemophilia while standing naturally.
Methods
Surface EMG of five bilaterally recorded ankle muscles was conducted in 24 patients with haemophilia (PwH, age: 42 [11] years, mean [SD], 22 A, 2 B, 21 severe, 3 moderate) with median (quartiles) WFH orthopaedic joint score of 30 (20/39) points and 24 non‐haemophilic controls (Con, age: 42 [12]). Force plate (IBS) signals were captured simultaneously during bipedal stance with eyes open. Load proportion of the left and right sides as well as heel and forefoot were calculated via four independent pressure transducers. Overall, weight distribution (WD) indices are reported with higher results representing a poorer WD.
Results
Analyses of WD showed large differences between groups (PwH: 10.2 [5.4], Con: 5.2 [2.9], P < 0.001, d = 1.15). After clustering PwH, large effects (P = 0.02, ηp2 > 0.16) were found for amplitude ratios of the lateral gastrocnemius (LG) muscle. In PwH, the degree of joint alteration of the right lower limb was associated with load proportion of the left side (ρ > 0.64, P = 0.001).
Conclusion
Patients with greater dysbalance showed higher forefoot loads and appeared to compensate their altered joint situations with considerably higher amplitude ratios of LG. Further studies should investigate whether therapeutic interventions could alter postural alignment and muscle activation and how these can influence patients’ joint function and symptoms.</abstract><cop>England</cop><pub>Wiley Subscription Services, Inc</pub><pmid>30520541</pmid><doi>10.1111/hae.13650</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-0935-2526</orcidid><orcidid>https://orcid.org/0000-0001-6931-5615</orcidid></addata></record> |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | Adult Ankle Ankle - physiology Case-Control Studies Electromyography haemophilia Hemophilia Hemophilia A - pathology Hemophilia B - pathology Humans knee Middle Aged motor control Muscle contraction Muscle, Skeletal - physiology Muscles Postural Balance Posture SEMG Severity of Illness Index Therapeutic applications upright standing |
| title | Posturographic and ankle muscle activation characteristics in patients with haemophilia |
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