The Acute Effects of Caffeine Supplementation on Anaerobic Performance and Functional Strength in Female Soccer Players

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dc.contributor.authorMor, Hakki
dc.contributor.authorMor, Ahmet
dc.contributor.authorAbdioglu, Mekki
dc.contributor.authorTohanean, Dragos Ioan
dc.contributor.authorSavu, Catalin Vasile
dc.contributor.authorAcar, Gizem Ceylan
dc.contributor.authorMoraru, Cristina Elena
dc.date.accessioned2026-04-25T14:20:29Z
dc.date.available2026-04-25T14:20:29Z
dc.date.issued2025
dc.departmentSinop Üniversitesi
dc.description.abstractBackground/Objectives: Despite extensive research on caffeine's (CAF's) ergogenic effects, evidence regarding its impact on anaerobic performance in female athletes remains limited and inconclusive. The aim of this study was to investigate the acute effects of 6 mg/kg(-1) caffeine on anaerobic performance, functional strength, agility, and ball speed in female soccer players. Methods: A randomized, double-blind, placebo-controlled crossover design was employed. Thirteen moderately trained female soccer players (age: 21.08 +/- 1.11 years; height: 161.69 +/- 6.30 cm; weight: 59.69 +/- 10.52 kg; body mass index (BMI): 22.77 +/- 3.50 kg/m(2); training age: 7.77 +/- 1.16 years; habitual caffeine intake: 319 +/- 160 mg/day) completed two experimental trials (caffeine vs. placebo (PLA)), separated by at least 48 h. Testing sessions included performance assessments in vertical jump (VJ), running-based anaerobic sprint test (RAST), bilateral leg strength (LS), handgrip strength (HS), single hop for distance (SH), medial rotation (90 degrees) hop for distance (MRH), change of direction (COD), and ball speed. Rating of perceived exertion (RPE) was also recorded. Results: CAF ingestion significantly improved minimum (p = 0.011; d = 0.35) and average power (p = 0.007; d = 0.29) during RAST. A significant increase was also observed in SHR (single leg hop for distance right) performance (p = 0.045; d = 0.44). No significant differences were found in VJ, COD, ball speed, LS, HS, SHL, MRHR, or MRHL (p > 0.05). RPE showed a moderate effect size (d = 0.65) favoring the CAF condition, though not statistically significant (p = 0.110). Conclusions: In conclusion, acute CAF intake at a dose of 6 mg/kg(-1) may enhance anaerobic capacity and lower-limb functional strength in female soccer players, with no significant effects on jump height, agility, or upper-body strength.
dc.identifier.doi10.3390/nu17132156
dc.identifier.issn2072-6643
dc.identifier.issue13
dc.identifier.orcid0000-0002-6740-1867
dc.identifier.orcid0009-0000-9897-9808
dc.identifier.orcid0000-0002-6396-761X
dc.identifier.orcid0000-0002-1181-1111
dc.identifier.orcid0000-0003-4533-1594
dc.identifier.orcid0000-0003-0810-1909
dc.identifier.orcid0000-0001-6087-8980
dc.identifier.pmid40647262
dc.identifier.scopus2-s2.0-105010627608
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/nu17132156
dc.identifier.urihttps://hdl.handle.net/11486/8604
dc.identifier.volume17
dc.identifier.wosWOS:001527162400001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofNutrients
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20260420
dc.subjectcaffeine
dc.subjectanaerobic performance
dc.subjectfemale soccer players
dc.subjectfunctional strength
dc.subjectball speed
dc.titleThe Acute Effects of Caffeine Supplementation on Anaerobic Performance and Functional Strength in Female Soccer Players
dc.typeArticle

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