{"id":"https://openalex.org/W1998920201","doi":"https://doi.org/10.1249/01.mss.0000273058.88299.68","title":"Effect Of Acute Caffeine Ingestion On One-Repetition Maximum Muscular Strength","display_name":"Effect Of Acute Caffeine Ingestion On One-Repetition Maximum Muscular Strength","publication_year":2007,"publication_date":"2007-05-01","ids":{"openalex":"https://openalex.org/W1998920201","doi":"https://doi.org/10.1249/01.mss.0000273058.88299.68","mag":"1998920201"},"language":"en","primary_location":{"id":"doi:10.1249/01.mss.0000273058.88299.68","doi":"https://doi.org/10.1249/01.mss.0000273058.88299.68","is_oa":false,"landing_page_url":"https://doi.org/10.1249/01.mss.0000273058.88299.68","pdf_url":null,"source":{"id":"https://openalex.org/S14544163","display_name":"Medicine & Science in Sports & Exercise","issn_l":"0195-9131","issn":["0195-9131","1530-0315"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medicine &amp; Science in Sports &amp; Exercise","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5028189674","display_name":"Todd Anthony Astorino","orcid":"https://orcid.org/0000-0003-0492-0173","observed_orcids":["https://orcid.org/0000-0003-0492-0173"]},"institutions":[{"id":"https://openalex.org/I226560621","display_name":"California State University, San Marcos","ror":"https://ror.org/01j8e0j24","country_code":"US","type":"education","lineage":["https://openalex.org/I226560621"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Todd A. Astorino","raw_affiliation_strings":["California State University\u2014San Marcos, San Marcos, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"California State University\u2014San Marcos, San Marcos, CA","institution_ids":["https://openalex.org/I226560621"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075045185","display_name":"Riana L. Rohmann","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I226560621","display_name":"California State University, San Marcos","ror":"https://ror.org/01j8e0j24","country_code":"US","type":"education","lineage":["https://openalex.org/I226560621"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Riana L. Rohmann","raw_affiliation_strings":["California State University\u2014San Marcos, San Marcos, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"California State University\u2014San Marcos, San Marcos, CA","institution_ids":["https://openalex.org/I226560621"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103423690","display_name":"Kelli Firth","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I226560621","display_name":"California State University, San Marcos","ror":"https://ror.org/01j8e0j24","country_code":"US","type":"education","lineage":["https://openalex.org/I226560621"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kelli Firth","raw_affiliation_strings":["California State University\u2014San Marcos, San Marcos, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"California State University\u2014San Marcos, San Marcos, CA","institution_ids":["https://openalex.org/I226560621"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I226560621"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.13545633,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":"39","issue":"5","first_page":"S43","last_page":"S43"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11264","display_name":"Coffee research and impacts","score":0.9916999936103821,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11264","display_name":"Coffee research and impacts","score":0.9916999936103821,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10157","display_name":"Sports Performance and Training","score":0.006800000090152025,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11399","display_name":"Muscle metabolism and nutrition","score":0.0010000000474974513,"subfield":{"id":"https://openalex.org/subfields/1307","display_name":"Cell Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/caffeine","display_name":"caffeine","score":0.8519999980926514},{"id":"https://openalex.org/keywords/acute-caffeine-ingestion","display_name":"acute caffeine ingestion","score":0.8180000185966492},{"id":"https://openalex.org/keywords/one-repetition-maximum","display_name":"one-repetition maximum","score":0.8640000224113464},{"id":"https://openalex.org/keywords/muscle-strength","display_name":"muscle strength","score":0.9639999866485596},{"id":"https://openalex.org/keywords/resistance-training","display_name":"resistance training","score":0.6259999871253967},{"id":"https://openalex.org/keywords/bench-press","display_name":"bench press","score":0.7509999871253967},{"id":"https://openalex.org/keywords/leg-press","display_name":"leg press","score":1.0},{"id":"https://openalex.org/keywords/rating-of-perceived-exertion","display_name":"rating of perceived exertion","score":0.8880000114440918},{"id":"https://openalex.org/keywords/ergogenic-aids","display_name":"ergogenic aids","score":0.8970000147819519},{"id":"https://openalex.org/keywords/anaerobic-exercise","display_name":"anaerobic exercise","score":0.8820000290870667}],"concepts":[{"id":"https://openalex.org/C2777188771","wikidata":"https://www.wikidata.org/wiki/Q14093","display_name":"Bench press","level":3,"score":0.9028725624084473},{"id":"https://openalex.org/C2777861855","wikidata":"https://www.wikidata.org/wiki/Q814819","display_name":"Leg press","level":3,"score":0.8232671022415161},{"id":"https://openalex.org/C2780928941","wikidata":"https://www.wikidata.org/wiki/Q2372945","display_name":"Rating of perceived exertion","level":4,"score":0.7548614740371704},{"id":"https://openalex.org/C2777953023","wikidata":"https://www.wikidata.org/wiki/Q1073121","display_name":"Heart rate","level":3,"score":0.6810747981071472},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.6289835572242737},{"id":"https://openalex.org/C27081682","wikidata":"https://www.wikidata.org/wiki/Q269829","display_name":"Placebo","level":3,"score":0.616068422794342},{"id":"https://openalex.org/C2777112482","wikidata":"https://www.wikidata.org/wiki/Q59603","display_name":"One-repetition maximum","level":3,"score":0.6135902404785156},{"id":"https://openalex.org/C5140985","wikidata":"https://www.wikidata.org/wiki/Q483866","display_name":"Anaerobic exercise","level":2,"score":0.5358639359474182},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.49636703729629517},{"id":"https://openalex.org/C3019424981","wikidata":"https://www.wikidata.org/wiki/Q12834857","display_name":"Resistance training","level":2,"score":0.4920191466808319},{"id":"https://openalex.org/C84393581","wikidata":"https://www.wikidata.org/wiki/Q82642","display_name":"Blood pressure","level":2,"score":0.48044344782829285},{"id":"https://openalex.org/C153396756","wikidata":"https://www.wikidata.org/wiki/Q1785966","display_name":"Physical strength","level":2,"score":0.4508797228336334},{"id":"https://openalex.org/C2778500429","wikidata":"https://www.wikidata.org/wiki/Q60235","display_name":"Caffeine","level":2,"score":0.4319206476211548},{"id":"https://openalex.org/C2993527604","wikidata":"https://www.wikidata.org/wiki/Q2372945","display_name":"Perceived exertion","level":4,"score":0.4157770276069641},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.37557318806648254},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.3707474172115326},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1249/01.mss.0000273058.88299.68","doi":"https://doi.org/10.1249/01.mss.0000273058.88299.68","is_oa":false,"landing_page_url":"https://doi.org/10.1249/01.mss.0000273058.88299.68","pdf_url":null,"source":{"id":"https://openalex.org/S14544163","display_name":"Medicine & Science in Sports & Exercise","issn_l":"0195-9131","issn":["0195-9131","1530-0315"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medicine &amp; Science in Sports &amp; Exercise","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.9391000270843506,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Randomized Controlled Trial","id":"https://openalex.org/study-designs/randomized-controlled-trial"},{"display_name":"Clinical Trial","id":"https://openalex.org/study-designs/clinical-trial"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1994274787","https://openalex.org/W7100949419","https://openalex.org/W7220155455","https://openalex.org/W7054321598","https://openalex.org/W2560593951","https://openalex.org/W1995216366","https://openalex.org/W2899548962","https://openalex.org/W2618090141","https://openalex.org/W4385597128","https://openalex.org/W4207041148"],"abstract_inverted_index":{"Multiple":[0],"studies":[1],"corroborate":[2],"the":[3,16,30,35,96,120,123,141,221],"ergogenic":[4,36,233],"properties":[5],"of":[6,18,29,38,108,135,186,216,223],"caffeine":[7],"(CAF)":[8],"for":[9,235],"endurance":[10],"performance,":[11],"yet":[12,201,238],"fewer":[13],"investigations":[14],"document":[15],"efficacy":[17],"acute":[19],"CAF":[20,39,50,67,178,198,230],"intake":[21,68],"in":[22,59,152,207,214],"short-term,":[23],"anaerobic":[24],"exercise.":[25,225],"PURPOSE:":[26],"The":[27],"aim":[28],"study":[31],"was":[32,117,212],"to":[33,113,127,188,247],"determine":[34],"potential":[37],"during":[40,242],"maximal":[41],"strength":[42],"testing.":[43],"METHODS:":[44],"Twenty":[45],"experienced":[46],"resistance-trained":[47],"men":[48],"ingested":[49],"(6":[51],"mg/kg)":[52],"or":[53,165],"placebo":[54],"(PL)":[55],"1":[56],"h":[57,75],"pre-exercise":[58],"a":[60,87,110],"randomized,":[61],"double-blind":[62],"design.":[63],"They":[64],"refrained":[65],"from":[66],"and":[69,73,81,101,122,133,190],"strenuous":[70],"exercise":[71,246],"48":[72],"24":[74],"pre-visit.":[76],"Initially,":[77],"resting":[78],"heart":[79],"rate":[80],"blood":[82,131],"pressure":[83],"were":[84,138,193,205],"obtained.":[85],"After":[86],"standardized":[88],"warm-up,":[89],"one-repetition":[90],"maximum":[91],"(1":[92],"-RM)":[93],"testing":[94],"on":[95,119],"barbell":[97],"bench":[98,154,182,244],"press":[99,103,155,167,183,245],"(BP)":[100],"leg":[102,166,208],"(LP)":[104],"ensued.":[105],"Upon":[106],"determination":[107],"1-RM,":[109],"load":[111],"equivalent":[112],"60":[114],"%":[115],"1-RM":[116,153,236],"placed":[118],"bar,":[121],"subject":[124],"completed":[125],"repetitions":[126,187],"failure.":[128],"Heart":[129],"rate,":[130],"pressure,":[132],"rating":[134,215],"perceived":[136,217],"exertion":[137,218],"measured":[139],"after":[140],"final":[142],"repetition.":[143],"RESULTS:":[144],"A":[145],"paired":[146],"t-test":[147],"showed":[148],"no":[149,202],"difference":[150,211],"(P>0.05)":[151,204],"(260.7":[156],"\u00b1":[157,162,169,174],"51.9":[158],"lb":[159,171],"vs.":[160,172],"258.0":[161],"49.3":[163],"lb)":[164,176],"(916.3":[168],"206.4":[170],"889.5":[173],"205.0":[175],"with":[177,197],"versus":[179,199],"PL.":[180],"During":[181],"exercise,":[184],"number":[185],"fatigue":[189],"lifting":[191],"volume":[192],"significantly":[194],"higher":[195],"(p<0.05)":[196],"PL,":[200],"differences":[203],"evident":[206],"press.":[209],"No":[210],"demonstrated":[213],"(p>0.05)":[219],"at":[220],"end":[222],"resistance":[224],"CONCLUSIONS:":[226],"Data":[227],"suggest":[228],"that":[229],"has":[231],"little":[232],"benefit":[234],"testing,":[237],"may":[239],"enhance":[240],"performance":[241],"intense":[243],"fatigue.":[248]},"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2026-09-27T08:07:27.782135","created_date":"2016-06-24T00:00:00"}