Abdominal muscle activity during breathing with and without inspiratory and expiratory loads in healthy subjects
Abstract Central Nervous System modulates the motor activities of all trunk muscles to concurrently regulate the intra-abdominal and intrathoracic pressures. The study aims to evaluate the effect of inspiratory and expiratory loads on abdominal muscle activity during breathing in healthy subjects. T...
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| Veröffentlicht in: | Journal of electromyography and kinesiology 2016-10, Vol.30, p.143-150 |
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| creator | Montes, António Mesquita Baptista, João Crasto, Carlos Melo, Cristina Argel de Santos, Rita Vilas-Boas, João Paulo |
| description | Abstract Central Nervous System modulates the motor activities of all trunk muscles to concurrently regulate the intra-abdominal and intrathoracic pressures. The study aims to evaluate the effect of inspiratory and expiratory loads on abdominal muscle activity during breathing in healthy subjects. Twenty-three high school students (21.09±1.56 years; 8 males) breathed at a same rhythm (inspiration: two seconds; expiration: four seconds) without load and with 10% of the maximal inspiratory or expiratory pressures, in standing. Surface electromyography was performed to assess the activation intensity of rectus abdominis, external oblique and transversus abdominis/internal oblique muscles, during inspiration and expiration. During inspiration, transversus abdominis/internal oblique activation intensity was significantly lower with inspiratory load when compared to without load (p=0.009) and expiratory load (p=0.002). During expiration, the activation intensity of all abdominal muscles was significantly higher with expiratory load when compared to without load (p |
| doi_str_mv | 10.1016/j.jelekin.2016.07.002 |
| format | Article |
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The study aims to evaluate the effect of inspiratory and expiratory loads on abdominal muscle activity during breathing in healthy subjects. Twenty-three high school students (21.09±1.56 years; 8 males) breathed at a same rhythm (inspiration: two seconds; expiration: four seconds) without load and with 10% of the maximal inspiratory or expiratory pressures, in standing. Surface electromyography was performed to assess the activation intensity of rectus abdominis, external oblique and transversus abdominis/internal oblique muscles, during inspiration and expiration. During inspiration, transversus abdominis/internal oblique activation intensity was significantly lower with inspiratory load when compared to without load (p=0.009) and expiratory load (p=0.002). During expiration, the activation intensity of all abdominal muscles was significantly higher with expiratory load when compared to without load (p<0.05). The activation intensity of external oblique (p=0.036) and transversus abdominis/internal oblique (p=0.022) was significantly higher with inspiratory load when compared to without load. Transversus abdominis/internal oblique activation intensity was significantly higher with expiratory load when compared to inspiratory load (p<0.001). Transversus abdominis/internal oblique seems to be the most relevant muscle to modulate the intra-abdominal pressure for the breathing mechanics.</description><identifier>ISSN: 1050-6411</identifier><identifier>EISSN: 1873-5711</identifier><identifier>DOI: 10.1016/j.jelekin.2016.07.002</identifier><identifier>PMID: 27434376</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Abdominal Muscles - physiology ; Abdominal Oblique Muscles - physiology ; Adolescent ; Anthropometry - methods ; Core abdominal ; Electromyography - methods ; Exhalation - physiology ; Female ; Healthy Volunteers ; Humans ; Inhalation - physiology ; Male ; Physical Medicine and Rehabilitation ; Postural control ; Posture - physiology ; Pressure ; Rectus Abdominis - physiology ; Respiration ; Respiratory loads ; Surface electromyographic activity ; Young Adult</subject><ispartof>Journal of electromyography and kinesiology, 2016-10, Vol.30, p.143-150</ispartof><rights>2016 Elsevier Ltd</rights><rights>Copyright © 2016 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c495t-5e638ae6cf5a926601dd9def45c8efd475febcfc5c378c96aa8c37905d77fdeb3</citedby><cites>FETCH-LOGICAL-c495t-5e638ae6cf5a926601dd9def45c8efd475febcfc5c378c96aa8c37905d77fdeb3</cites><orcidid>0000-0003-4707-1693 ; 0000-0003-2777-8050</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jelekin.2016.07.002$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,782,786,3554,27933,27934,46004</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27434376$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Montes, António Mesquita</creatorcontrib><creatorcontrib>Baptista, João</creatorcontrib><creatorcontrib>Crasto, Carlos</creatorcontrib><creatorcontrib>Melo, Cristina Argel de</creatorcontrib><creatorcontrib>Santos, Rita</creatorcontrib><creatorcontrib>Vilas-Boas, João Paulo</creatorcontrib><title>Abdominal muscle activity during breathing with and without inspiratory and expiratory loads in healthy subjects</title><title>Journal of electromyography and kinesiology</title><addtitle>J Electromyogr Kinesiol</addtitle><description>Abstract Central Nervous System modulates the motor activities of all trunk muscles to concurrently regulate the intra-abdominal and intrathoracic pressures. The study aims to evaluate the effect of inspiratory and expiratory loads on abdominal muscle activity during breathing in healthy subjects. Twenty-three high school students (21.09±1.56 years; 8 males) breathed at a same rhythm (inspiration: two seconds; expiration: four seconds) without load and with 10% of the maximal inspiratory or expiratory pressures, in standing. Surface electromyography was performed to assess the activation intensity of rectus abdominis, external oblique and transversus abdominis/internal oblique muscles, during inspiration and expiration. During inspiration, transversus abdominis/internal oblique activation intensity was significantly lower with inspiratory load when compared to without load (p=0.009) and expiratory load (p=0.002). During expiration, the activation intensity of all abdominal muscles was significantly higher with expiratory load when compared to without load (p<0.05). The activation intensity of external oblique (p=0.036) and transversus abdominis/internal oblique (p=0.022) was significantly higher with inspiratory load when compared to without load. Transversus abdominis/internal oblique activation intensity was significantly higher with expiratory load when compared to inspiratory load (p<0.001). Transversus abdominis/internal oblique seems to be the most relevant muscle to modulate the intra-abdominal pressure for the breathing mechanics.</description><subject>Abdominal Muscles - physiology</subject><subject>Abdominal Oblique Muscles - physiology</subject><subject>Adolescent</subject><subject>Anthropometry - methods</subject><subject>Core abdominal</subject><subject>Electromyography - methods</subject><subject>Exhalation - physiology</subject><subject>Female</subject><subject>Healthy Volunteers</subject><subject>Humans</subject><subject>Inhalation - physiology</subject><subject>Male</subject><subject>Physical Medicine and Rehabilitation</subject><subject>Postural control</subject><subject>Posture - physiology</subject><subject>Pressure</subject><subject>Rectus Abdominis - physiology</subject><subject>Respiration</subject><subject>Respiratory loads</subject><subject>Surface electromyographic activity</subject><subject>Young Adult</subject><issn>1050-6411</issn><issn>1873-5711</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkc1u1TAQhSMEoj_wCKAs2SSM49hONqCqagtSJRYta8uxJ1ynTnKxnULeHqf30gUbVj5jnZnRfCfL3hEoCRD-cSgHdPhgp7JKZQmiBKheZKekEbRggpCXSQODgteEnGRnIQwAREADr7OTStS0poKfZvuLzsyjnZTLxyVoh7nS0T7auOZm8Xb6kXceVdxt6peNu1xN5knMS8ztFPbWqzj79ekffz-XblYmJEO-Q-Xibs3D0g2oY3iTveqVC_j2-J5n36-v7i-_FLffbr5eXtwWum5ZLBhy2ijkumeqrTgHYkxrsK-ZbrA3tWA9drrXTFPR6JYr1STVAjNC9AY7ep59OMzd-_nngiHK0QaNzqkJ5yVI0lQUKKENSVZ2sGo_h-Cxl3tvR-VXSUBusOUgj7DlBluCkAl26nt_XLF0I5rnrr90k-HzwYDp0EeLXgZtcdJorE8spJntf1d8-meCdnayWrkHXDEM8-JTdOkaGSoJ8m5LfAuccAogWkH_ALZAq5Y</recordid><startdate>20161001</startdate><enddate>20161001</enddate><creator>Montes, António Mesquita</creator><creator>Baptista, João</creator><creator>Crasto, Carlos</creator><creator>Melo, Cristina Argel de</creator><creator>Santos, Rita</creator><creator>Vilas-Boas, João Paulo</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><orcidid>https://orcid.org/0000-0003-4707-1693</orcidid><orcidid>https://orcid.org/0000-0003-2777-8050</orcidid></search><sort><creationdate>20161001</creationdate><title>Abdominal muscle activity during breathing with and without inspiratory and expiratory loads in healthy subjects</title><author>Montes, António Mesquita ; Baptista, João ; Crasto, Carlos ; Melo, Cristina Argel de ; Santos, Rita ; Vilas-Boas, João Paulo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c495t-5e638ae6cf5a926601dd9def45c8efd475febcfc5c378c96aa8c37905d77fdeb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Abdominal Muscles - physiology</topic><topic>Abdominal Oblique Muscles - physiology</topic><topic>Adolescent</topic><topic>Anthropometry - methods</topic><topic>Core abdominal</topic><topic>Electromyography - methods</topic><topic>Exhalation - physiology</topic><topic>Female</topic><topic>Healthy Volunteers</topic><topic>Humans</topic><topic>Inhalation - physiology</topic><topic>Male</topic><topic>Physical Medicine and Rehabilitation</topic><topic>Postural control</topic><topic>Posture - physiology</topic><topic>Pressure</topic><topic>Rectus Abdominis - physiology</topic><topic>Respiration</topic><topic>Respiratory loads</topic><topic>Surface electromyographic activity</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Montes, António Mesquita</creatorcontrib><creatorcontrib>Baptista, João</creatorcontrib><creatorcontrib>Crasto, Carlos</creatorcontrib><creatorcontrib>Melo, Cristina Argel de</creatorcontrib><creatorcontrib>Santos, Rita</creatorcontrib><creatorcontrib>Vilas-Boas, João Paulo</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>Montes, António Mesquita</au><au>Baptista, João</au><au>Crasto, Carlos</au><au>Melo, Cristina Argel de</au><au>Santos, Rita</au><au>Vilas-Boas, João Paulo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Abdominal muscle activity during breathing with and without inspiratory and expiratory loads in healthy subjects</atitle><jtitle>Journal of electromyography and kinesiology</jtitle><addtitle>J Electromyogr Kinesiol</addtitle><date>2016-10-01</date><risdate>2016</risdate><volume>30</volume><spage>143</spage><epage>150</epage><pages>143-150</pages><issn>1050-6411</issn><eissn>1873-5711</eissn><abstract>Abstract Central Nervous System modulates the motor activities of all trunk muscles to concurrently regulate the intra-abdominal and intrathoracic pressures. The study aims to evaluate the effect of inspiratory and expiratory loads on abdominal muscle activity during breathing in healthy subjects. Twenty-three high school students (21.09±1.56 years; 8 males) breathed at a same rhythm (inspiration: two seconds; expiration: four seconds) without load and with 10% of the maximal inspiratory or expiratory pressures, in standing. Surface electromyography was performed to assess the activation intensity of rectus abdominis, external oblique and transversus abdominis/internal oblique muscles, during inspiration and expiration. During inspiration, transversus abdominis/internal oblique activation intensity was significantly lower with inspiratory load when compared to without load (p=0.009) and expiratory load (p=0.002). During expiration, the activation intensity of all abdominal muscles was significantly higher with expiratory load when compared to without load (p<0.05). The activation intensity of external oblique (p=0.036) and transversus abdominis/internal oblique (p=0.022) was significantly higher with inspiratory load when compared to without load. Transversus abdominis/internal oblique activation intensity was significantly higher with expiratory load when compared to inspiratory load (p<0.001). Transversus abdominis/internal oblique seems to be the most relevant muscle to modulate the intra-abdominal pressure for the breathing mechanics.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>27434376</pmid><doi>10.1016/j.jelekin.2016.07.002</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0003-4707-1693</orcidid><orcidid>https://orcid.org/0000-0003-2777-8050</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Abdominal Muscles - physiology Abdominal Oblique Muscles - physiology Adolescent Anthropometry - methods Core abdominal Electromyography - methods Exhalation - physiology Female Healthy Volunteers Humans Inhalation - physiology Male Physical Medicine and Rehabilitation Postural control Posture - physiology Pressure Rectus Abdominis - physiology Respiration Respiratory loads Surface electromyographic activity Young Adult |
| title | Abdominal muscle activity during breathing with and without inspiratory and expiratory loads in healthy subjects |
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