Inspiratory muscular activation during threshold ® therapy in elderly healthy and patients with COPD
Inspiratory muscles training in COPD is controversial not only in relation to the load level required to produce muscular conditioning effects but also in relation to the group of patients benefiting from the training. Consequently, inspiratory muscular response assessment during Threshold ® therapy...
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| Veröffentlicht in: | Journal of electromyography and kinesiology 2005-12, Vol.15 (6), p.631-639 |
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| creator | de Andrade, A. Dornelas Silva, T.N.S. Vasconcelos, H. Marcelino, M. Rodrigues-Machado, M.G. Filho, V.C. Galindo Moraes, N.H. Marinho, P.E.M. Amorim, C.F. |
| description | Inspiratory muscles training in COPD is controversial not only in relation to the load level required to produce muscular conditioning effects but also in relation to the group of patients benefiting from the training. Consequently, inspiratory muscular response assessment during Threshold
® therapy may help optimizing training strategy. The objective of this study was to evaluate the participation of the diaphragm and the sternocleidomastoid (SMM) muscle to overcome with a 30% Threshold
® load using surface electromyography (sEMG) and to analyze the correlation between SMM activation, maximum strength level of inspiratory muscles (MIP) and obstruction degree in COPD patients (FEV
1). We studied seven healthy elderly subjects, mean age of 68
±
4 years and seven COPD patients, FEV
1 45
±
17% of the predicted value, with mean age 66
±
8 years. sEMG analysis of SMM muscles and diaphragm were obtained through RMS (root-mean-square) during three stages: pre-loading, loading and post-loading.
In the COPD group, the RMS of the SMM increased 28% during load (
p
<
0.05) while the RMS of the diaphragm remained constant. In the elderly there was a trend of a 11% increase in diaphragm activity and of 7% in SMM activity but, without reaching significance levels. SMM activity demonstrated good correlation with the obstruction level (
r
=
−0.537).
To overcome the load required by Threshold
® therapy, COPD patients demonstrated an increase of accessory muscles activity, represented by SMM. For the same relative load this increase seems to be proportional to the degree of pulmonary obstruction. |
| doi_str_mv | 10.1016/j.jelekin.2005.06.002 |
| format | Article |
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® therapy may help optimizing training strategy. The objective of this study was to evaluate the participation of the diaphragm and the sternocleidomastoid (SMM) muscle to overcome with a 30% Threshold
® load using surface electromyography (sEMG) and to analyze the correlation between SMM activation, maximum strength level of inspiratory muscles (MIP) and obstruction degree in COPD patients (FEV
1). We studied seven healthy elderly subjects, mean age of 68
±
4 years and seven COPD patients, FEV
1 45
±
17% of the predicted value, with mean age 66
±
8 years. sEMG analysis of SMM muscles and diaphragm were obtained through RMS (root-mean-square) during three stages: pre-loading, loading and post-loading.
In the COPD group, the RMS of the SMM increased 28% during load (
p
<
0.05) while the RMS of the diaphragm remained constant. In the elderly there was a trend of a 11% increase in diaphragm activity and of 7% in SMM activity but, without reaching significance levels. SMM activity demonstrated good correlation with the obstruction level (
r
=
−0.537).
To overcome the load required by Threshold
® therapy, COPD patients demonstrated an increase of accessory muscles activity, represented by SMM. For the same relative load this increase seems to be proportional to the degree of pulmonary obstruction.</description><identifier>ISSN: 1050-6411</identifier><identifier>EISSN: 1873-5711</identifier><identifier>DOI: 10.1016/j.jelekin.2005.06.002</identifier><identifier>PMID: 16051499</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Aged ; Breathing Exercises ; COPD ; Electromyography ; Exercise Therapy - instrumentation ; Exercise Therapy - methods ; Female ; Humans ; Inhalation ; Inspiratory muscle training ; Male ; Middle Aged ; Muscle Contraction ; Pulmonary Disease, Chronic Obstructive - physiopathology ; Pulmonary Disease, Chronic Obstructive - therapy ; Recovery of Function - physiology ; Respiratory muscles ; Respiratory Muscles - physiopathology ; Treatment Outcome</subject><ispartof>Journal of electromyography and kinesiology, 2005-12, Vol.15 (6), p.631-639</ispartof><rights>2005 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c363t-4b1fed98470103fd82590bbec8a9c34b8f1b5d0e720ede36240c9f844f93510a3</citedby><cites>FETCH-LOGICAL-c363t-4b1fed98470103fd82590bbec8a9c34b8f1b5d0e720ede36240c9f844f93510a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jelekin.2005.06.002$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27928,27929,45999</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16051499$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>de Andrade, A. Dornelas</creatorcontrib><creatorcontrib>Silva, T.N.S.</creatorcontrib><creatorcontrib>Vasconcelos, H.</creatorcontrib><creatorcontrib>Marcelino, M.</creatorcontrib><creatorcontrib>Rodrigues-Machado, M.G.</creatorcontrib><creatorcontrib>Filho, V.C. Galindo</creatorcontrib><creatorcontrib>Moraes, N.H.</creatorcontrib><creatorcontrib>Marinho, P.E.M.</creatorcontrib><creatorcontrib>Amorim, C.F.</creatorcontrib><title>Inspiratory muscular activation during threshold ® therapy in elderly healthy and patients with COPD</title><title>Journal of electromyography and kinesiology</title><addtitle>J Electromyogr Kinesiol</addtitle><description>Inspiratory muscles training in COPD is controversial not only in relation to the load level required to produce muscular conditioning effects but also in relation to the group of patients benefiting from the training. Consequently, inspiratory muscular response assessment during Threshold
® therapy may help optimizing training strategy. The objective of this study was to evaluate the participation of the diaphragm and the sternocleidomastoid (SMM) muscle to overcome with a 30% Threshold
® load using surface electromyography (sEMG) and to analyze the correlation between SMM activation, maximum strength level of inspiratory muscles (MIP) and obstruction degree in COPD patients (FEV
1). We studied seven healthy elderly subjects, mean age of 68
±
4 years and seven COPD patients, FEV
1 45
±
17% of the predicted value, with mean age 66
±
8 years. sEMG analysis of SMM muscles and diaphragm were obtained through RMS (root-mean-square) during three stages: pre-loading, loading and post-loading.
In the COPD group, the RMS of the SMM increased 28% during load (
p
<
0.05) while the RMS of the diaphragm remained constant. In the elderly there was a trend of a 11% increase in diaphragm activity and of 7% in SMM activity but, without reaching significance levels. SMM activity demonstrated good correlation with the obstruction level (
r
=
−0.537).
To overcome the load required by Threshold
® therapy, COPD patients demonstrated an increase of accessory muscles activity, represented by SMM. For the same relative load this increase seems to be proportional to the degree of pulmonary obstruction.</description><subject>Aged</subject><subject>Breathing Exercises</subject><subject>COPD</subject><subject>Electromyography</subject><subject>Exercise Therapy - instrumentation</subject><subject>Exercise Therapy - methods</subject><subject>Female</subject><subject>Humans</subject><subject>Inhalation</subject><subject>Inspiratory muscle training</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Muscle Contraction</subject><subject>Pulmonary Disease, Chronic Obstructive - physiopathology</subject><subject>Pulmonary Disease, Chronic Obstructive - therapy</subject><subject>Recovery of Function - physiology</subject><subject>Respiratory muscles</subject><subject>Respiratory Muscles - physiopathology</subject><subject>Treatment Outcome</subject><issn>1050-6411</issn><issn>1873-5711</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkMtu1TAQhi1ERS_wCCCv2CXM5OIkK4QOLa1UqSxgbTn2hPjgkwTbKcpL8RA8Ga7OkVh2NTPS989oPsbeIuQIKD7s8z05-mmnvACocxA5QPGCXWDblFndIL5MPdSQiQrxnF2GsAfABlp4xc5RQI1V110wupvCYr2Ks9_4YQ16dcpzpaN9VNHOEzert9MPHkdPYZyd4X__pIG8WjZuJ07OkHcbH0m5OG5cTYYvKUlTDPy3jSPfPXz9_JqdDcoFenOqV-z7zfW33W12__DlbvfpPtOlKGNW9TiQ6dqqAYRyMG1Rd9D3pFvV6bLq2wH72gA1BZChUhQV6G5oq2royhpBlVfs_XHv4udfK4UoDzZock5NNK9BilZgh02RwPoIaj-H4GmQi7cH5TeJIJ_8yr08-ZVPfiUImfym3LvTgbU_kPmfOglNwMcjQOnNR0teBp1kaDLWk47SzPaZE_8ACWyQ0Q</recordid><startdate>20051201</startdate><enddate>20051201</enddate><creator>de Andrade, A. Dornelas</creator><creator>Silva, T.N.S.</creator><creator>Vasconcelos, H.</creator><creator>Marcelino, M.</creator><creator>Rodrigues-Machado, M.G.</creator><creator>Filho, V.C. Galindo</creator><creator>Moraes, N.H.</creator><creator>Marinho, P.E.M.</creator><creator>Amorim, C.F.</creator><general>Elsevier Ltd</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>20051201</creationdate><title>Inspiratory muscular activation during threshold ® therapy in elderly healthy and patients with COPD</title><author>de Andrade, A. Dornelas ; Silva, T.N.S. ; Vasconcelos, H. ; Marcelino, M. ; Rodrigues-Machado, M.G. ; Filho, V.C. Galindo ; Moraes, N.H. ; Marinho, P.E.M. ; Amorim, C.F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c363t-4b1fed98470103fd82590bbec8a9c34b8f1b5d0e720ede36240c9f844f93510a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Aged</topic><topic>Breathing Exercises</topic><topic>COPD</topic><topic>Electromyography</topic><topic>Exercise Therapy - instrumentation</topic><topic>Exercise Therapy - methods</topic><topic>Female</topic><topic>Humans</topic><topic>Inhalation</topic><topic>Inspiratory muscle training</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Muscle Contraction</topic><topic>Pulmonary Disease, Chronic Obstructive - physiopathology</topic><topic>Pulmonary Disease, Chronic Obstructive - therapy</topic><topic>Recovery of Function - physiology</topic><topic>Respiratory muscles</topic><topic>Respiratory Muscles - physiopathology</topic><topic>Treatment Outcome</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>de Andrade, A. Dornelas</creatorcontrib><creatorcontrib>Silva, T.N.S.</creatorcontrib><creatorcontrib>Vasconcelos, H.</creatorcontrib><creatorcontrib>Marcelino, M.</creatorcontrib><creatorcontrib>Rodrigues-Machado, M.G.</creatorcontrib><creatorcontrib>Filho, V.C. Galindo</creatorcontrib><creatorcontrib>Moraes, N.H.</creatorcontrib><creatorcontrib>Marinho, P.E.M.</creatorcontrib><creatorcontrib>Amorim, C.F.</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>Journal of electromyography and kinesiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>de Andrade, A. Dornelas</au><au>Silva, T.N.S.</au><au>Vasconcelos, H.</au><au>Marcelino, M.</au><au>Rodrigues-Machado, M.G.</au><au>Filho, V.C. Galindo</au><au>Moraes, N.H.</au><au>Marinho, P.E.M.</au><au>Amorim, C.F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Inspiratory muscular activation during threshold ® therapy in elderly healthy and patients with COPD</atitle><jtitle>Journal of electromyography and kinesiology</jtitle><addtitle>J Electromyogr Kinesiol</addtitle><date>2005-12-01</date><risdate>2005</risdate><volume>15</volume><issue>6</issue><spage>631</spage><epage>639</epage><pages>631-639</pages><issn>1050-6411</issn><eissn>1873-5711</eissn><abstract>Inspiratory muscles training in COPD is controversial not only in relation to the load level required to produce muscular conditioning effects but also in relation to the group of patients benefiting from the training. Consequently, inspiratory muscular response assessment during Threshold
® therapy may help optimizing training strategy. The objective of this study was to evaluate the participation of the diaphragm and the sternocleidomastoid (SMM) muscle to overcome with a 30% Threshold
® load using surface electromyography (sEMG) and to analyze the correlation between SMM activation, maximum strength level of inspiratory muscles (MIP) and obstruction degree in COPD patients (FEV
1). We studied seven healthy elderly subjects, mean age of 68
±
4 years and seven COPD patients, FEV
1 45
±
17% of the predicted value, with mean age 66
±
8 years. sEMG analysis of SMM muscles and diaphragm were obtained through RMS (root-mean-square) during three stages: pre-loading, loading and post-loading.
In the COPD group, the RMS of the SMM increased 28% during load (
p
<
0.05) while the RMS of the diaphragm remained constant. In the elderly there was a trend of a 11% increase in diaphragm activity and of 7% in SMM activity but, without reaching significance levels. SMM activity demonstrated good correlation with the obstruction level (
r
=
−0.537).
To overcome the load required by Threshold
® therapy, COPD patients demonstrated an increase of accessory muscles activity, represented by SMM. For the same relative load this increase seems to be proportional to the degree of pulmonary obstruction.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>16051499</pmid><doi>10.1016/j.jelekin.2005.06.002</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1050-6411 |
| ispartof | Journal of electromyography and kinesiology, 2005-12, Vol.15 (6), p.631-639 |
| issn | 1050-6411 1873-5711 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_68619172 |
| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Aged Breathing Exercises COPD Electromyography Exercise Therapy - instrumentation Exercise Therapy - methods Female Humans Inhalation Inspiratory muscle training Male Middle Aged Muscle Contraction Pulmonary Disease, Chronic Obstructive - physiopathology Pulmonary Disease, Chronic Obstructive - therapy Recovery of Function - physiology Respiratory muscles Respiratory Muscles - physiopathology Treatment Outcome |
| title | Inspiratory muscular activation during threshold ® therapy in elderly healthy and patients with COPD |
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