Remote ischemic preconditioning delays fatigue development during handgrip exercise
Ischemic preconditioning (IPC) of one or two limbs improves performance of exercise that recruits the same limb(s). However, it is unclear whether IPC application to another limb than that in exercise is also effective and which mechanisms are involved. We investigated the effect of remote IPC (RIPC...
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| Veröffentlicht in: | Scandinavian journal of medicine & science in sports 2015-06, Vol.25 (3), p.356-364 |
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| container_title | Scandinavian journal of medicine & science in sports |
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| creator | Barbosa, T. C. Machado, A. C. Braz, I. D. Fernandes, I. A. Vianna, L. C. Nobrega, A. C. L. Silva, B. M. |
| description | Ischemic preconditioning (IPC) of one or two limbs improves performance of exercise that recruits the same limb(s). However, it is unclear whether IPC application to another limb than that in exercise is also effective and which mechanisms are involved. We investigated the effect of remote IPC (RIPC) on muscle fatigue, time to task failure, forearm hemodynamics, and deoxygenation during handgrip exercise. Thirteen men underwent RIPC in the lower limbs or a control intervention (CON), in random order, and then performed a constant load rhythmic handgrip protocol until task failure. Rates of contraction and relaxation (ΔForce/ΔTime) were used as indices of fatigue. Brachial artery blood flow and conductance, besides forearm microvascular deoxygenation, were assessed during exercise. RIPC attenuated the slowing of contraction and relaxation throughout exercise (P |
| doi_str_mv | 10.1111/sms.12229 |
| format | Article |
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C. ; Machado, A. C. ; Braz, I. D. ; Fernandes, I. A. ; Vianna, L. C. ; Nobrega, A. C. L. ; Silva, B. M.</creator><creatorcontrib>Barbosa, T. C. ; Machado, A. C. ; Braz, I. D. ; Fernandes, I. A. ; Vianna, L. C. ; Nobrega, A. C. L. ; Silva, B. M.</creatorcontrib><description>Ischemic preconditioning (IPC) of one or two limbs improves performance of exercise that recruits the same limb(s). However, it is unclear whether IPC application to another limb than that in exercise is also effective and which mechanisms are involved. We investigated the effect of remote IPC (RIPC) on muscle fatigue, time to task failure, forearm hemodynamics, and deoxygenation during handgrip exercise. Thirteen men underwent RIPC in the lower limbs or a control intervention (CON), in random order, and then performed a constant load rhythmic handgrip protocol until task failure. Rates of contraction and relaxation (ΔForce/ΔTime) were used as indices of fatigue. Brachial artery blood flow and conductance, besides forearm microvascular deoxygenation, were assessed during exercise. RIPC attenuated the slowing of contraction and relaxation throughout exercise (P < 0.05 vs CON) and increased time to task failure by 11.2% (95% confidence interval: 0.7–21.7%, P <0.05 vs CON). There was no significant difference in blood flow, conductance, and deoxygenation between conditions throughout exercise (P > 0.05). In conclusion, RIPC applied to the lower limbs delayed the development of fatigue during handgrip exercise, prolonged time to task failure, but was not accompanied by changes in forearm hemodynamics and deoxygenation.</description><identifier>ISSN: 0905-7188</identifier><identifier>EISSN: 1600-0838</identifier><identifier>DOI: 10.1111/sms.12229</identifier><identifier>PMID: 24731023</identifier><language>eng</language><publisher>Denmark: Blackwell Publishing Ltd</publisher><subject>Adult ; blood flow ; Brachial Artery - diagnostic imaging ; deoxyhemoglobin ; Forearm - blood supply ; Hand Strength ; Hemodynamics ; Hemoglobins - metabolism ; Humans ; ischemia ; Ischemic Preconditioning - methods ; Male ; Muscle Contraction ; Muscle Fatigue ; Muscle Strength - physiology ; Muscle, Skeletal - blood supply ; Muscle, Skeletal - metabolism ; Muscle, Skeletal - physiology ; Myoglobin - metabolism ; Resistance Training - methods ; Spectrum Analysis ; Ultrasonography, Doppler, Duplex ; vascular conductance ; Young Adult</subject><ispartof>Scandinavian journal of medicine & science in sports, 2015-06, Vol.25 (3), p.356-364</ispartof><rights>2014 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd</rights><rights>2014 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4999-4539edb0e69d2edd860d48f9099b6d23f164f6cf67ca9085b79b13cd4f8ca4c23</citedby><cites>FETCH-LOGICAL-c4999-4539edb0e69d2edd860d48f9099b6d23f164f6cf67ca9085b79b13cd4f8ca4c23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fsms.12229$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fsms.12229$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27923,27924,45573,45574</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24731023$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Barbosa, T. C.</creatorcontrib><creatorcontrib>Machado, A. C.</creatorcontrib><creatorcontrib>Braz, I. D.</creatorcontrib><creatorcontrib>Fernandes, I. A.</creatorcontrib><creatorcontrib>Vianna, L. C.</creatorcontrib><creatorcontrib>Nobrega, A. C. L.</creatorcontrib><creatorcontrib>Silva, B. M.</creatorcontrib><title>Remote ischemic preconditioning delays fatigue development during handgrip exercise</title><title>Scandinavian journal of medicine & science in sports</title><addtitle>Scand J Med Sci Sports</addtitle><description>Ischemic preconditioning (IPC) of one or two limbs improves performance of exercise that recruits the same limb(s). However, it is unclear whether IPC application to another limb than that in exercise is also effective and which mechanisms are involved. We investigated the effect of remote IPC (RIPC) on muscle fatigue, time to task failure, forearm hemodynamics, and deoxygenation during handgrip exercise. Thirteen men underwent RIPC in the lower limbs or a control intervention (CON), in random order, and then performed a constant load rhythmic handgrip protocol until task failure. Rates of contraction and relaxation (ΔForce/ΔTime) were used as indices of fatigue. Brachial artery blood flow and conductance, besides forearm microvascular deoxygenation, were assessed during exercise. RIPC attenuated the slowing of contraction and relaxation throughout exercise (P < 0.05 vs CON) and increased time to task failure by 11.2% (95% confidence interval: 0.7–21.7%, P <0.05 vs CON). There was no significant difference in blood flow, conductance, and deoxygenation between conditions throughout exercise (P > 0.05). In conclusion, RIPC applied to the lower limbs delayed the development of fatigue during handgrip exercise, prolonged time to task failure, but was not accompanied by changes in forearm hemodynamics and deoxygenation.</description><subject>Adult</subject><subject>blood flow</subject><subject>Brachial Artery - diagnostic imaging</subject><subject>deoxyhemoglobin</subject><subject>Forearm - blood supply</subject><subject>Hand Strength</subject><subject>Hemodynamics</subject><subject>Hemoglobins - metabolism</subject><subject>Humans</subject><subject>ischemia</subject><subject>Ischemic Preconditioning - methods</subject><subject>Male</subject><subject>Muscle Contraction</subject><subject>Muscle Fatigue</subject><subject>Muscle Strength - physiology</subject><subject>Muscle, Skeletal - blood supply</subject><subject>Muscle, Skeletal - metabolism</subject><subject>Muscle, Skeletal - physiology</subject><subject>Myoglobin - metabolism</subject><subject>Resistance Training - methods</subject><subject>Spectrum Analysis</subject><subject>Ultrasonography, Doppler, Duplex</subject><subject>vascular conductance</subject><subject>Young Adult</subject><issn>0905-7188</issn><issn>1600-0838</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kMtOwzAQRS0EglJY8AMoS1iktePEsZcIQUEUkGh57CzHnhRDXtgJtH9PoMCO2YxGOvdKcxA6IHhE-hn70o9IFEViAw0IwzjEnPJNNMACJ2FKON9Bu96_YExSESfbaCeKU0pwRAdodgdl3UJgvX6G0uqgcaDrytjW1pWtFoGBQq18kKvWLjroz3co6qaEqg1M576IZ1WZhbNNAEtw2nrYQ1u5Kjzs_-whuj8_m59ehNPbyeXpyTTUsRAijBMqwGQYmDARGMMZNjHPBRYiYyaiOWFxznTOUq0E5kmWioxQbeKcaxXriA7R0bq3cfVbB76VZf8GFIWqoO68JIwTQRJB0x49XqPa1d47yGXjbKncShIsvxzK3qH8dtizhz-1XVaC-SN_pfXAeA182AJW_zfJ2fXstzJcJ6xvYfmXUO5VspSmiXy8mcinhxmdX-EbSegn3iSMCQ</recordid><startdate>201506</startdate><enddate>201506</enddate><creator>Barbosa, T. C.</creator><creator>Machado, A. C.</creator><creator>Braz, I. D.</creator><creator>Fernandes, I. A.</creator><creator>Vianna, L. C.</creator><creator>Nobrega, A. C. L.</creator><creator>Silva, B. M.</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</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>201506</creationdate><title>Remote ischemic preconditioning delays fatigue development during handgrip exercise</title><author>Barbosa, T. C. ; Machado, A. C. ; Braz, I. D. ; Fernandes, I. A. ; Vianna, L. C. ; Nobrega, A. C. L. ; Silva, B. 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C.</creatorcontrib><creatorcontrib>Machado, A. C.</creatorcontrib><creatorcontrib>Braz, I. D.</creatorcontrib><creatorcontrib>Fernandes, I. A.</creatorcontrib><creatorcontrib>Vianna, L. C.</creatorcontrib><creatorcontrib>Nobrega, A. C. L.</creatorcontrib><creatorcontrib>Silva, B. M.</creatorcontrib><collection>Istex</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>Scandinavian journal of medicine & science in sports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Barbosa, T. C.</au><au>Machado, A. C.</au><au>Braz, I. D.</au><au>Fernandes, I. A.</au><au>Vianna, L. C.</au><au>Nobrega, A. C. L.</au><au>Silva, B. M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Remote ischemic preconditioning delays fatigue development during handgrip exercise</atitle><jtitle>Scandinavian journal of medicine & science in sports</jtitle><addtitle>Scand J Med Sci Sports</addtitle><date>2015-06</date><risdate>2015</risdate><volume>25</volume><issue>3</issue><spage>356</spage><epage>364</epage><pages>356-364</pages><issn>0905-7188</issn><eissn>1600-0838</eissn><abstract>Ischemic preconditioning (IPC) of one or two limbs improves performance of exercise that recruits the same limb(s). However, it is unclear whether IPC application to another limb than that in exercise is also effective and which mechanisms are involved. We investigated the effect of remote IPC (RIPC) on muscle fatigue, time to task failure, forearm hemodynamics, and deoxygenation during handgrip exercise. Thirteen men underwent RIPC in the lower limbs or a control intervention (CON), in random order, and then performed a constant load rhythmic handgrip protocol until task failure. Rates of contraction and relaxation (ΔForce/ΔTime) were used as indices of fatigue. Brachial artery blood flow and conductance, besides forearm microvascular deoxygenation, were assessed during exercise. RIPC attenuated the slowing of contraction and relaxation throughout exercise (P < 0.05 vs CON) and increased time to task failure by 11.2% (95% confidence interval: 0.7–21.7%, P <0.05 vs CON). There was no significant difference in blood flow, conductance, and deoxygenation between conditions throughout exercise (P > 0.05). In conclusion, RIPC applied to the lower limbs delayed the development of fatigue during handgrip exercise, prolonged time to task failure, but was not accompanied by changes in forearm hemodynamics and deoxygenation.</abstract><cop>Denmark</cop><pub>Blackwell Publishing Ltd</pub><pmid>24731023</pmid><doi>10.1111/sms.12229</doi><tpages>9</tpages></addata></record> |
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| subjects | Adult blood flow Brachial Artery - diagnostic imaging deoxyhemoglobin Forearm - blood supply Hand Strength Hemodynamics Hemoglobins - metabolism Humans ischemia Ischemic Preconditioning - methods Male Muscle Contraction Muscle Fatigue Muscle Strength - physiology Muscle, Skeletal - blood supply Muscle, Skeletal - metabolism Muscle, Skeletal - physiology Myoglobin - metabolism Resistance Training - methods Spectrum Analysis Ultrasonography, Doppler, Duplex vascular conductance Young Adult |
| title | Remote ischemic preconditioning delays fatigue development during handgrip exercise |
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