{"id":"https://openalex.org/W3119840554","doi":"https://doi.org/10.1123/ijspp.2020-0144","title":"Caffeine Ingestion Improves Performance During Fitness Tests but Does Not Alter Activity During Simulated Games in Professional Basketball Players","display_name":"Caffeine Ingestion Improves Performance During Fitness Tests but Does Not Alter Activity During Simulated Games in Professional Basketball Players","publication_year":2021,"publication_date":"2021-01-05","ids":{"openalex":"https://openalex.org/W3119840554","doi":"https://doi.org/10.1123/ijspp.2020-0144","mag":"3119840554","pmid":"https://pubmed.ncbi.nlm.nih.gov/33401238"},"language":"en","primary_location":{"id":"doi:10.1123/ijspp.2020-0144","doi":"https://doi.org/10.1123/ijspp.2020-0144","is_oa":false,"landing_page_url":"https://doi.org/10.1123/ijspp.2020-0144","pdf_url":null,"source":{"id":"https://openalex.org/S2502187214","display_name":"International Journal of Sports Physiology and Performance","issn_l":"1555-0265","issn":["1555-0265","1555-0273"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310322142","host_organization_name":"Human Kinetics","host_organization_lineage":["https://openalex.org/P4310322142"],"host_organization_lineage_names":["Human Kinetics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Sports Physiology and Performance","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://figshare.com/articles/journal_contribution/Caffeine_ingestion_improves_performance_during_fitness_tests_but_does_not_alter_activity_during_simulated_games_in_professional_basketball_players/14963997","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5062562151","display_name":"Javier Raya Gonz\u00e1lez","orcid":"https://orcid.org/0000-0002-3570-7159","observed_orcids":["https://orcid.org/0000-0002-3570-7159"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Javier Raya-Gonz\u00e1lez","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013728303","display_name":"Aaron Terrence Scanlan","orcid":"https://orcid.org/0000-0002-0750-8697","observed_orcids":["https://orcid.org/0000-0002-0750-8697"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Aaron T. Scanlan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056435164","display_name":"Mar\u00eda Soto\u2010C\u00e9lix","orcid":"https://orcid.org/0000-0002-6202-0328","observed_orcids":["https://orcid.org/0000-0002-6202-0328"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mar\u00eda Soto-C\u00e9lix","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090175695","display_name":"Alejandro Rodriguez Fernandez","orcid":"https://orcid.org/0000-0002-0893-7573","observed_orcids":["https://orcid.org/0000-0002-0893-7573"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Alejandro Rodr\u00edguez-Fern\u00e1ndez","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5034772596","display_name":"Daniel Castillo","orcid":"https://orcid.org/0000-0002-4159-6475","observed_orcids":["https://orcid.org/0000-0002-4159-6475"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Daniel Castillo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.9961,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.91519495,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"16","issue":"3","first_page":"387","last_page":"394"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11264","display_name":"Coffee research and impacts","score":0.8705999851226807,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology (medical)"},"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":0.8705999851226807,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology (medical)"},"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":0.125900000333786,"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/T11585","display_name":"Exercise and Physiological Responses","score":0.000699999975040555,"subfield":{"id":"https://openalex.org/subfields/2742","display_name":"Rehabilitation"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/caffeine-supplementation","display_name":"caffeine supplementation","score":0.8610000014305115},{"id":"https://openalex.org/keywords/acute-caffeine-ingestion","display_name":"acute caffeine ingestion","score":0.7599999904632568},{"id":"https://openalex.org/keywords/professional-basketball-players","display_name":"professional basketball players","score":0.9309999942779541},{"id":"https://openalex.org/keywords/physical-performance","display_name":"physical performance","score":0.7099999785423279},{"id":"https://openalex.org/keywords/physical-fitness-assessment","display_name":"physical fitness assessment","score":0.7200000286102295},{"id":"https://openalex.org/keywords/sprint-performance","display_name":"sprint performance","score":0.8330000042915344},{"id":"https://openalex.org/keywords/countermovement-jump","display_name":"countermovement jump","score":0.949999988079071},{"id":"https://openalex.org/keywords/agility","display_name":"agility","score":0.9229999780654907},{"id":"https://openalex.org/keywords/repeated-sprint-ability","display_name":"repeated sprint ability","score":0.9800000190734863},{"id":"https://openalex.org/keywords/sleep-disturbance","display_name":"sleep disorders","score":0.7820000052452087},{"id":"https://openalex.org/keywords/diuretic-effect","display_name":"diuretic effect","score":0.8460000157356262},{"id":"https://openalex.org/keywords/local-positioning-system","display_name":"local positioning system","score":0.5509999990463257}],"concepts":[{"id":"https://openalex.org/C103189561","wikidata":"https://www.wikidata.org/wiki/Q5372","display_name":"Basketball","level":2,"score":0.7981469631195068},{"id":"https://openalex.org/C2776868573","wikidata":"https://www.wikidata.org/wiki/Q46855","display_name":"Sprint","level":2,"score":0.7264274954795837},{"id":"https://openalex.org/C2778500429","wikidata":"https://www.wikidata.org/wiki/Q60235","display_name":"Caffeine","level":2,"score":0.6252027750015259},{"id":"https://openalex.org/C87813604","wikidata":"https://www.wikidata.org/wiki/Q1242899","display_name":"Crossover study","level":4,"score":0.5741559863090515},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.5423638820648193},{"id":"https://openalex.org/C27081682","wikidata":"https://www.wikidata.org/wiki/Q269829","display_name":"Placebo","level":3,"score":0.5054929256439209},{"id":"https://openalex.org/C2781054738","wikidata":"https://www.wikidata.org/wiki/Q4813730","display_name":"Athletes","level":2,"score":0.48371508717536926},{"id":"https://openalex.org/C2779897013","wikidata":"https://www.wikidata.org/wiki/Q1151752","display_name":"Jumping","level":2,"score":0.46616843342781067},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.4406556487083435},{"id":"https://openalex.org/C3018268128","wikidata":"https://www.wikidata.org/wiki/Q1187356","display_name":"Match play","level":2,"score":0.4365023970603943},{"id":"https://openalex.org/C102959455","wikidata":"https://www.wikidata.org/wiki/Q7313954","display_name":"Repeated measures design","level":2,"score":0.42912307381629944},{"id":"https://openalex.org/C2777456745","wikidata":"https://www.wikidata.org/wiki/Q1074871","display_name":"Vertical jump","level":3,"score":0.42861756682395935},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.4174182713031769},{"id":"https://openalex.org/C2777267654","wikidata":"https://www.wikidata.org/wiki/Q3519023","display_name":"Test (biology)","level":2,"score":0.41706162691116333},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.381176620721817},{"id":"https://openalex.org/C2780695682","wikidata":"https://www.wikidata.org/wiki/Q4005959","display_name":"Jump","level":2,"score":0.2672109305858612},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19686919450759888},{"id":"https://openalex.org/C42407357","wikidata":"https://www.wikidata.org/wiki/Q521","display_name":"Physiology","level":1,"score":0.1472950279712677},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.11745759844779968},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.08949753642082214},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.06428971886634827},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C95457728","wikidata":"https://www.wikidata.org/wiki/Q309","display_name":"History","level":0,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D001490","descriptor_name":"Basketball","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D002110","descriptor_name":"Caffeine","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004435","descriptor_name":"Eating","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018592","descriptor_name":"Cross-Over Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D054874","descriptor_name":"Athletic Performance","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":3,"locations":[{"id":"doi:10.1123/ijspp.2020-0144","doi":"https://doi.org/10.1123/ijspp.2020-0144","is_oa":false,"landing_page_url":"https://doi.org/10.1123/ijspp.2020-0144","pdf_url":null,"source":{"id":"https://openalex.org/S2502187214","display_name":"International Journal of Sports Physiology and Performance","issn_l":"1555-0265","issn":["1555-0265","1555-0273"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310322142","host_organization_name":"Human Kinetics","host_organization_lineage":["https://openalex.org/P4310322142"],"host_organization_lineage_names":["Human Kinetics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Sports Physiology and Performance","raw_type":"journal-article"},{"id":"pmid:33401238","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/33401238","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International journal of sports physiology and performance","raw_type":"Journal Article"},{"id":"pmh:oai:figshare.com:article/14963997","doi":null,"is_oa":true,"landing_page_url":"https://figshare.com/articles/journal_contribution/Caffeine_ingestion_improves_performance_during_fitness_tests_but_does_not_alter_activity_during_simulated_games_in_professional_basketball_players/14963997","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"}],"best_oa_location":{"id":"pmh:oai:figshare.com:article/14963997","doi":null,"is_oa":true,"landing_page_url":"https://figshare.com/articles/journal_contribution/Caffeine_ingestion_improves_performance_during_fitness_tests_but_does_not_alter_activity_during_simulated_games_in_professional_basketball_players/14963997","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.9391000270843506}],"study_designs":[{"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":31,"referenced_works":["https://openalex.org/W1968684748","https://openalex.org/W2004622867","https://openalex.org/W2006446916","https://openalex.org/W2013598477","https://openalex.org/W2017880868","https://openalex.org/W2020794622","https://openalex.org/W2022928307","https://openalex.org/W2034770094","https://openalex.org/W2041660097","https://openalex.org/W2077985682","https://openalex.org/W2082964080","https://openalex.org/W2093654487","https://openalex.org/W2098959004","https://openalex.org/W2161465738","https://openalex.org/W2299562639","https://openalex.org/W2334559517","https://openalex.org/W2479509006","https://openalex.org/W2755342509","https://openalex.org/W2789363450","https://openalex.org/W2791581924","https://openalex.org/W2809653785","https://openalex.org/W2885362171","https://openalex.org/W2895335072","https://openalex.org/W2897262642","https://openalex.org/W2904324629","https://openalex.org/W2905904436","https://openalex.org/W2910446174","https://openalex.org/W2914624892","https://openalex.org/W2945052586","https://openalex.org/W4247945508","https://openalex.org/W6753163127"],"related_works":["https://openalex.org/W4229054451","https://openalex.org/W2755342509","https://openalex.org/W3120905240","https://openalex.org/W2910446174","https://openalex.org/W4402197008","https://openalex.org/W4406247739","https://openalex.org/W3166665091","https://openalex.org/W7126184863","https://openalex.org/W2809898187","https://openalex.org/W4391180054"],"abstract_inverted_index":{"PURPOSE:":[0],"To":[1],"examine":[2],"the":[3,230],"effects":[4,228],"of":[5,35,49,67,102,111,252],"acute":[6,220],"caffeine":[7,46,164,198,202,221],"supplementation":[8,203,222],"on":[9,229],"physical":[10,209],"performance":[11,162,210],"during":[12,17,123,170,211,233],"fitness":[13,75,214],"testing":[14,60,63],"and":[15,45,86,160,194,237,242],"activity":[16,122,231],"simulated":[18,100,171,234],"games":[19,172,236],"in":[20,52,152,217,255],"basketball":[21,39,104,235],"players.":[22,257],"METHODS:":[23],"A":[24,33],"double-blind,":[25],"counterbalanced,":[26],"randomized,":[27],"crossover":[28],"study":[29],"design":[30],"was":[31,117],"followed.":[32],"total":[34],"14":[36,132],"professional":[37,256],"male":[38],"players":[40,94,187],"ingested":[41],"a":[42,68,87,91,127,244],"placebo":[43],"(sucrose)":[44],"(6":[47],"mg\u00b7kg-1":[48,251],"body":[50,253],"mass)":[51],"liquid":[53],"form":[54],"prior":[55],"to":[56,119,131,149,180,207,224],"completing":[57],"2":[58,109],"separate":[59],"sessions.":[61],"Each":[62],"session":[64],"involved":[65],"completion":[66],"standardized":[69],"15-minute":[70],"warm-up":[71],"followed":[72],"by":[73,108],"various":[74],"tests":[76,212],"including":[77],"20-m":[78,153],"sprints,":[79],"countermovement":[80,155],"jumps,":[81],"Lane":[82,157],"Agility":[83,158],"Drill":[84],"trials,":[85],"repeated-sprint-ability":[88,161],"test.":[89],"Following":[90],"20-minute":[92],"recovery,":[93],"completed":[95,126,169,232],"3":[96],"\u00d7":[97],"7-minute":[98],"5-vs-5":[99],"periods":[101],"full-court":[103],"games,":[105],"each":[106],"separated":[107],"minutes":[110],"recovery.":[112],"Local":[113],"positioning":[114],"system":[115],"technology":[116],"used":[118],"measure":[120],"player":[121],"games.":[124],"Players":[125,137],"side-effects":[128],"questionnaire":[129],"12":[130],"hours":[133],"after":[134,197],"testing.":[135],"RESULTS:":[136],"experienced":[138],"significant":[139],"(P":[140,190],"<":[141,191],".05),":[142],"moderate-very":[143],"large":[144],"(effect":[145,176],"size":[146,177],"=":[147,178],"-2.19":[148],"0.89)":[150],"improvements":[151],"sprint,":[154],"jump,":[156],"Drill,":[159],"with":[163],"supplementation.":[165],"However,":[166,219],"external":[167],"workloads":[168],"demonstrated":[173],"nonsignificant,":[174],"trivial-small":[175],"-0.23":[179],"0.12)":[181],"changes":[182],"between":[183],"conditions.":[184],"In":[185],"addition,":[186],"reported":[188],"greater":[189],".05)":[192],"insomnia":[193],"urine":[195],"output":[196],"ingestion.":[199],"CONCLUSIONS:":[200],"Acute":[201],"could":[204],"be":[205],"effective":[206],"improve":[208],"stressing":[213],"elements":[215],"important":[216],"basketball.":[218],"appears":[223],"exert":[225,243],"no":[226],"meaningful":[227],"may":[238],"promote":[239],"sleep":[240],"disturbances":[241],"diuretic":[245],"effect":[246],"when":[247],"taken":[248],"at":[249],"6":[250],"mass":[254]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":4}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2021-01-18T00:00:00"}