Caffeine does not augment markers of muscle damage or leukocytosis following resistance exercise
The purpose of this study was to evaluate the effects of caffeine ingestion before a resistance exercise session on markers of muscle damage (CK, LDH, ALT, AST) and leukocyte levels. Fifteen soccer athletes completed two resistance exercise sessions that differed only in the ingestion of caffeine or...
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| Veröffentlicht in: | International journal of sports physiology and performance 2010-03, Vol.5 (1), p.18-26 |
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| creator | Machado, Marco Koch, Alexander J Willardson, Jeffrey M dos Santos, Frederico C Curty, Victor M Pereira, Lucas N |
| description | The purpose of this study was to evaluate the effects of caffeine ingestion before a resistance exercise session on markers of muscle damage (CK, LDH, ALT, AST) and leukocyte levels.
Fifteen soccer athletes completed two resistance exercise sessions that differed only in the ingestion of caffeine or a placebo preworkout.
CK concentration increased significantly following the caffeine session (415.8+/-62.8 to 542.0+/-73.5) and the placebo session (411.5+/-43.3 to 545.8+/-59.9), with no significant differences between sessions. Similarly, LDH concentration increased significantly following the caffeine session (377.5+/-18.0 to 580.5+/-36.1) and the placebo session (384.8+/-13.9 to 570.4+/-36.1), with no significant differences between sessions. Both sessions resulted in significant increases in the total leukocyte count (caffeine=6.24+/-2.08 to 8.84+/-3.41; placebo=6.36+/-2.34 to 8.77+/-3.20), neutrophils (caffeine=3.37+/-0.13 to 5.15+/-0.28; placebo=3.46+/-0.17 to 5.12+/-0.24), lymphocytes (caffeine=2.19+/-0.091 to 2.78+/-0.10; placebo=2.17+/-0.100 to 2.75+/-0.11), and monocytes (caffeine=0.53+/-0.02 to 0.72+/-0.06; placebo=0.56+/-0.03 to 0.69+/-0.04), with no significant differences between sessions.
Ingestion of caffeine at 4.5 mg/kg(-1) did not augment markers of muscle damage or leukocyte levels above that which occurs through resistance exercise alone. |
| doi_str_mv | 10.1123/ijspp.5.1.18 |
| format | Article |
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Fifteen soccer athletes completed two resistance exercise sessions that differed only in the ingestion of caffeine or a placebo preworkout.
CK concentration increased significantly following the caffeine session (415.8+/-62.8 to 542.0+/-73.5) and the placebo session (411.5+/-43.3 to 545.8+/-59.9), with no significant differences between sessions. Similarly, LDH concentration increased significantly following the caffeine session (377.5+/-18.0 to 580.5+/-36.1) and the placebo session (384.8+/-13.9 to 570.4+/-36.1), with no significant differences between sessions. Both sessions resulted in significant increases in the total leukocyte count (caffeine=6.24+/-2.08 to 8.84+/-3.41; placebo=6.36+/-2.34 to 8.77+/-3.20), neutrophils (caffeine=3.37+/-0.13 to 5.15+/-0.28; placebo=3.46+/-0.17 to 5.12+/-0.24), lymphocytes (caffeine=2.19+/-0.091 to 2.78+/-0.10; placebo=2.17+/-0.100 to 2.75+/-0.11), and monocytes (caffeine=0.53+/-0.02 to 0.72+/-0.06; placebo=0.56+/-0.03 to 0.69+/-0.04), with no significant differences between sessions.
Ingestion of caffeine at 4.5 mg/kg(-1) did not augment markers of muscle damage or leukocyte levels above that which occurs through resistance exercise alone.</description><identifier>ISSN: 1555-0265</identifier><identifier>EISSN: 1555-0273</identifier><identifier>DOI: 10.1123/ijspp.5.1.18</identifier><identifier>PMID: 20308693</identifier><language>eng</language><publisher>United States: Human Kinetics</publisher><subject>Adolescent ; Alanine Transaminase - blood ; Aspartate Aminotransferases - blood ; Biomarkers - blood ; Caffeine ; Caffeine - pharmacology ; Central Nervous System Stimulants - pharmacology ; Creatine Kinase - blood ; Double-Blind Method ; Humans ; L-Lactate Dehydrogenase - blood ; Leukocytes - drug effects ; Leukocytosis - physiopathology ; Lymphocyte Count ; Male ; Monocytes - drug effects ; Muscle Fatigue - drug effects ; Muscle, Skeletal - drug effects ; Muscle, Skeletal - pathology ; Neutrophils - drug effects ; Resistance Training ; Soccer - physiology ; Weight Lifting</subject><ispartof>International journal of sports physiology and performance, 2010-03, Vol.5 (1), p.18-26</ispartof><rights>Copyright Human Kinetics Mar 2010</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-293c6d258a13277465eba5848d9a357ee71a5b9635d5e8b9822d09aeb9111cc03</citedby><cites>FETCH-LOGICAL-c356t-293c6d258a13277465eba5848d9a357ee71a5b9635d5e8b9822d09aeb9111cc03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20308693$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Machado, Marco</creatorcontrib><creatorcontrib>Koch, Alexander J</creatorcontrib><creatorcontrib>Willardson, Jeffrey M</creatorcontrib><creatorcontrib>dos Santos, Frederico C</creatorcontrib><creatorcontrib>Curty, Victor M</creatorcontrib><creatorcontrib>Pereira, Lucas N</creatorcontrib><title>Caffeine does not augment markers of muscle damage or leukocytosis following resistance exercise</title><title>International journal of sports physiology and performance</title><addtitle>Int J Sports Physiol Perform</addtitle><description>The purpose of this study was to evaluate the effects of caffeine ingestion before a resistance exercise session on markers of muscle damage (CK, LDH, ALT, AST) and leukocyte levels.
Fifteen soccer athletes completed two resistance exercise sessions that differed only in the ingestion of caffeine or a placebo preworkout.
CK concentration increased significantly following the caffeine session (415.8+/-62.8 to 542.0+/-73.5) and the placebo session (411.5+/-43.3 to 545.8+/-59.9), with no significant differences between sessions. Similarly, LDH concentration increased significantly following the caffeine session (377.5+/-18.0 to 580.5+/-36.1) and the placebo session (384.8+/-13.9 to 570.4+/-36.1), with no significant differences between sessions. Both sessions resulted in significant increases in the total leukocyte count (caffeine=6.24+/-2.08 to 8.84+/-3.41; placebo=6.36+/-2.34 to 8.77+/-3.20), neutrophils (caffeine=3.37+/-0.13 to 5.15+/-0.28; placebo=3.46+/-0.17 to 5.12+/-0.24), lymphocytes (caffeine=2.19+/-0.091 to 2.78+/-0.10; placebo=2.17+/-0.100 to 2.75+/-0.11), and monocytes (caffeine=0.53+/-0.02 to 0.72+/-0.06; placebo=0.56+/-0.03 to 0.69+/-0.04), with no significant differences between sessions.
Ingestion of caffeine at 4.5 mg/kg(-1) did not augment markers of muscle damage or leukocyte levels above that which occurs through resistance exercise alone.</description><subject>Adolescent</subject><subject>Alanine Transaminase - blood</subject><subject>Aspartate Aminotransferases - blood</subject><subject>Biomarkers - blood</subject><subject>Caffeine</subject><subject>Caffeine - pharmacology</subject><subject>Central Nervous System Stimulants - pharmacology</subject><subject>Creatine Kinase - blood</subject><subject>Double-Blind Method</subject><subject>Humans</subject><subject>L-Lactate Dehydrogenase - blood</subject><subject>Leukocytes - drug effects</subject><subject>Leukocytosis - physiopathology</subject><subject>Lymphocyte Count</subject><subject>Male</subject><subject>Monocytes - drug effects</subject><subject>Muscle Fatigue - drug effects</subject><subject>Muscle, Skeletal - drug effects</subject><subject>Muscle, Skeletal - pathology</subject><subject>Neutrophils - drug effects</subject><subject>Resistance Training</subject><subject>Soccer - physiology</subject><subject>Weight Lifting</subject><issn>1555-0265</issn><issn>1555-0273</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpd0E1LxDAQBuAgih-rN88S8ODFXTPJTpMeZfELBC96jmk6Xbq2zZq0qP_e6qoHTzMDDy_Dy9gxiBmAVBf1Kq3XM5zBDMwW2wdEnAqp1fbfnuEeO0hpJcQc5yh22Z4USpgsV_vseeGqiuqOeBko8S703A3Llrqety6-UEw8VLwdkm9G4lq3JB4ib2h4Cf6jD6lOvApNE97qbskjjXfvOk-c3in6OtEh26lck-joZ07Y0_XV4-J2ev9wc7e4vJ96hVk_lbnyWSnROFBS63mGVDg0c1PmTqEm0uCwyDOFJZIpciNlKXJHRQ4A3gs1YWeb3HUMrwOl3rZ18tQ0rqMwJKuV0rlBoUZ5-k-uwhC78TkrQQMorTWM6nyjfAwpRarsOtZjJR8WhP0q3n4Xb9GCBTPyk5_QoWip_MO_TatPJh5_kw</recordid><startdate>20100301</startdate><enddate>20100301</enddate><creator>Machado, Marco</creator><creator>Koch, Alexander J</creator><creator>Willardson, Jeffrey M</creator><creator>dos Santos, Frederico C</creator><creator>Curty, Victor M</creator><creator>Pereira, Lucas N</creator><general>Human Kinetics</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>NAPCQ</scope><scope>7X8</scope></search><sort><creationdate>20100301</creationdate><title>Caffeine does not augment markers of muscle damage or leukocytosis following resistance exercise</title><author>Machado, Marco ; Koch, Alexander J ; Willardson, Jeffrey M ; dos Santos, Frederico C ; Curty, Victor M ; Pereira, Lucas N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-293c6d258a13277465eba5848d9a357ee71a5b9635d5e8b9822d09aeb9111cc03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Adolescent</topic><topic>Alanine Transaminase - blood</topic><topic>Aspartate Aminotransferases - blood</topic><topic>Biomarkers - blood</topic><topic>Caffeine</topic><topic>Caffeine - pharmacology</topic><topic>Central Nervous System Stimulants - pharmacology</topic><topic>Creatine Kinase - blood</topic><topic>Double-Blind Method</topic><topic>Humans</topic><topic>L-Lactate Dehydrogenase - blood</topic><topic>Leukocytes - drug effects</topic><topic>Leukocytosis - physiopathology</topic><topic>Lymphocyte Count</topic><topic>Male</topic><topic>Monocytes - drug effects</topic><topic>Muscle Fatigue - drug effects</topic><topic>Muscle, Skeletal - drug effects</topic><topic>Muscle, Skeletal - pathology</topic><topic>Neutrophils - drug effects</topic><topic>Resistance Training</topic><topic>Soccer - physiology</topic><topic>Weight Lifting</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Machado, Marco</creatorcontrib><creatorcontrib>Koch, Alexander J</creatorcontrib><creatorcontrib>Willardson, Jeffrey M</creatorcontrib><creatorcontrib>dos Santos, Frederico C</creatorcontrib><creatorcontrib>Curty, Victor M</creatorcontrib><creatorcontrib>Pereira, Lucas N</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Nursing & Allied Health Premium</collection><collection>MEDLINE - Academic</collection><jtitle>International journal of sports physiology and performance</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Machado, Marco</au><au>Koch, Alexander J</au><au>Willardson, Jeffrey M</au><au>dos Santos, Frederico C</au><au>Curty, Victor M</au><au>Pereira, Lucas N</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Caffeine does not augment markers of muscle damage or leukocytosis following resistance exercise</atitle><jtitle>International journal of sports physiology and performance</jtitle><addtitle>Int J Sports Physiol Perform</addtitle><date>2010-03-01</date><risdate>2010</risdate><volume>5</volume><issue>1</issue><spage>18</spage><epage>26</epage><pages>18-26</pages><issn>1555-0265</issn><eissn>1555-0273</eissn><abstract>The purpose of this study was to evaluate the effects of caffeine ingestion before a resistance exercise session on markers of muscle damage (CK, LDH, ALT, AST) and leukocyte levels.
Fifteen soccer athletes completed two resistance exercise sessions that differed only in the ingestion of caffeine or a placebo preworkout.
CK concentration increased significantly following the caffeine session (415.8+/-62.8 to 542.0+/-73.5) and the placebo session (411.5+/-43.3 to 545.8+/-59.9), with no significant differences between sessions. Similarly, LDH concentration increased significantly following the caffeine session (377.5+/-18.0 to 580.5+/-36.1) and the placebo session (384.8+/-13.9 to 570.4+/-36.1), with no significant differences between sessions. Both sessions resulted in significant increases in the total leukocyte count (caffeine=6.24+/-2.08 to 8.84+/-3.41; placebo=6.36+/-2.34 to 8.77+/-3.20), neutrophils (caffeine=3.37+/-0.13 to 5.15+/-0.28; placebo=3.46+/-0.17 to 5.12+/-0.24), lymphocytes (caffeine=2.19+/-0.091 to 2.78+/-0.10; placebo=2.17+/-0.100 to 2.75+/-0.11), and monocytes (caffeine=0.53+/-0.02 to 0.72+/-0.06; placebo=0.56+/-0.03 to 0.69+/-0.04), with no significant differences between sessions.
Ingestion of caffeine at 4.5 mg/kg(-1) did not augment markers of muscle damage or leukocyte levels above that which occurs through resistance exercise alone.</abstract><cop>United States</cop><pub>Human Kinetics</pub><pmid>20308693</pmid><doi>10.1123/ijspp.5.1.18</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; Human Kinetics Journals |
| subjects | Adolescent Alanine Transaminase - blood Aspartate Aminotransferases - blood Biomarkers - blood Caffeine Caffeine - pharmacology Central Nervous System Stimulants - pharmacology Creatine Kinase - blood Double-Blind Method Humans L-Lactate Dehydrogenase - blood Leukocytes - drug effects Leukocytosis - physiopathology Lymphocyte Count Male Monocytes - drug effects Muscle Fatigue - drug effects Muscle, Skeletal - drug effects Muscle, Skeletal - pathology Neutrophils - drug effects Resistance Training Soccer - physiology Weight Lifting |
| title | Caffeine does not augment markers of muscle damage or leukocytosis following resistance exercise |
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