EFFECTS OF ACUTE CAFFEINE INGESTION ON THE PHYSICAL PERFORMANCE OF AMATEUR AMERICAN FOOTBALL ATHLETES
ABSTRACT The aim of this study was to investigate the effects of acute caffeine ingestion (5 mg.kg-1) on jump, isometric strength and repeated sprint performance in amateur American football athletes. Twelve players (24.6 ± 3.66 years and 115.18 ± 24.35 kg of body weight) ingested a dose of caffeine...
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Universidade Estadual de Maringá
2024-04-01
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| Series: | Journal of Physical Education |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2448-24552024000100201&tlng=en |
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| author | Felipe Carvalho Mauro Antônio Guerra unior Adriano Fortes. Maia Lucas Guimarães-Ferreira Leonardo Carvalho Caldas |
| author_facet | Felipe Carvalho Mauro Antônio Guerra unior Adriano Fortes. Maia Lucas Guimarães-Ferreira Leonardo Carvalho Caldas |
| author_sort | Felipe Carvalho |
| collection | DOAJ |
| description | ABSTRACT The aim of this study was to investigate the effects of acute caffeine ingestion (5 mg.kg-1) on jump, isometric strength and repeated sprint performance in amateur American football athletes. Twelve players (24.6 ± 3.66 years and 115.18 ± 24.35 kg of body weight) ingested a dose of caffeine (5 mg.kg−1) or placebo 60 min prior to a testing session consisting of: 1) countermovement jump (CMJ); 2) isometric mid-tight pull (IMTP); and 3) 3-line drills (200-yd shuttle runs with a 2-minute rest between sprints). Two testing sessions were performed using a double-blind, counterbalanced, crossover design during a pre-season training camp. Results indicated: Caffeine ingestion improved CMJ performance (p = 0.035), but no differences were observed on IMTP strength (p = 0.22) and line drill performance (total time: p = 0.65, and fatigue (%): p = 0.75) when compared to placebo condition. Conclusion: Acute caffeine ingestion improved jump performance, but not isometric strength and repeated sprint with change-of-direction performance in amateur American Football athletes. |
| format | Article |
| id | doaj-art-ff2dfadbda2543dbb2c8267c0cedc687 |
| institution | OA Journals |
| issn | 2448-2455 |
| language | English |
| publishDate | 2024-04-01 |
| publisher | Universidade Estadual de Maringá |
| record_format | Article |
| series | Journal of Physical Education |
| spelling | doaj-art-ff2dfadbda2543dbb2c8267c0cedc6872025-08-20T02:04:49ZengUniversidade Estadual de MaringáJournal of Physical Education2448-24552024-04-013510.4025/jphyseduc.v35i1.3501EFFECTS OF ACUTE CAFFEINE INGESTION ON THE PHYSICAL PERFORMANCE OF AMATEUR AMERICAN FOOTBALL ATHLETESFelipe Carvalhohttps://orcid.org/0009-0009-1132-5824Mauro Antônio Guerra uniorhttps://orcid.org/0000-0001-5291-7804Adriano Fortes. Maiahttps://orcid.org/0000-0003-1880-3998Lucas Guimarães-Ferreirahttps://orcid.org/0000-0002-2970-7355Leonardo Carvalho Caldashttps://orcid.org/0000-0001-8936-1061ABSTRACT The aim of this study was to investigate the effects of acute caffeine ingestion (5 mg.kg-1) on jump, isometric strength and repeated sprint performance in amateur American football athletes. Twelve players (24.6 ± 3.66 years and 115.18 ± 24.35 kg of body weight) ingested a dose of caffeine (5 mg.kg−1) or placebo 60 min prior to a testing session consisting of: 1) countermovement jump (CMJ); 2) isometric mid-tight pull (IMTP); and 3) 3-line drills (200-yd shuttle runs with a 2-minute rest between sprints). Two testing sessions were performed using a double-blind, counterbalanced, crossover design during a pre-season training camp. Results indicated: Caffeine ingestion improved CMJ performance (p = 0.035), but no differences were observed on IMTP strength (p = 0.22) and line drill performance (total time: p = 0.65, and fatigue (%): p = 0.75) when compared to placebo condition. Conclusion: Acute caffeine ingestion improved jump performance, but not isometric strength and repeated sprint with change-of-direction performance in amateur American Football athletes.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2448-24552024000100201&tlng=enErgogenic aidsPerformanceRepeated sprintsCountermovement Jump |
| spellingShingle | Felipe Carvalho Mauro Antônio Guerra unior Adriano Fortes. Maia Lucas Guimarães-Ferreira Leonardo Carvalho Caldas EFFECTS OF ACUTE CAFFEINE INGESTION ON THE PHYSICAL PERFORMANCE OF AMATEUR AMERICAN FOOTBALL ATHLETES Journal of Physical Education Ergogenic aids Performance Repeated sprints Countermovement Jump |
| title | EFFECTS OF ACUTE CAFFEINE INGESTION ON THE PHYSICAL PERFORMANCE OF AMATEUR AMERICAN FOOTBALL ATHLETES |
| title_full | EFFECTS OF ACUTE CAFFEINE INGESTION ON THE PHYSICAL PERFORMANCE OF AMATEUR AMERICAN FOOTBALL ATHLETES |
| title_fullStr | EFFECTS OF ACUTE CAFFEINE INGESTION ON THE PHYSICAL PERFORMANCE OF AMATEUR AMERICAN FOOTBALL ATHLETES |
| title_full_unstemmed | EFFECTS OF ACUTE CAFFEINE INGESTION ON THE PHYSICAL PERFORMANCE OF AMATEUR AMERICAN FOOTBALL ATHLETES |
| title_short | EFFECTS OF ACUTE CAFFEINE INGESTION ON THE PHYSICAL PERFORMANCE OF AMATEUR AMERICAN FOOTBALL ATHLETES |
| title_sort | effects of acute caffeine ingestion on the physical performance of amateur american football athletes |
| topic | Ergogenic aids Performance Repeated sprints Countermovement Jump |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2448-24552024000100201&tlng=en |
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