Time-of-Day Effects on Post-Activation Potentiation Protocols: Effects of Different Tension Loads on Agility and Vertical Jump Performance in Judokas

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dc.contributor.authorKarakoc, Bilal
dc.contributor.authorEken, Ozger
dc.contributor.authorKurtoglu, Ahmet
dc.contributor.authorArslan, Oguzhan
dc.contributor.authorEken, Ismihan
dc.contributor.authorElkholi, Safaa M.
dc.date.accessioned2026-04-04T13:31:00Z
dc.date.available2026-04-04T13:31:00Z
dc.date.issued2025
dc.departmentİnönü Üniversitesi
dc.description.abstractBackground and Objectives: This study aimed to investigate the effects of different tension loads in post-activation potentiation protocols on agility and vertical jump performance across different times of day in trained judokas, addressing a significant gap in understanding the interaction between diurnal variations and post-activation potentiation protocol responses in combat sports. Materials and Methods: Seventeen male judokas (age: 21.41 +/- 1.37 years) with >= 2 years of training experience participated in the study. Participants completed three different protocols: specific warm-up, the 80% post-activation potentiation protocol, and the 100% post-activation potentiation protocol, performed both in the morning (09:00-11:00) and evening (17:00-19:00) sessions. Performance was assessed using the Illinois Agility Test and countermovement jump. Protocols were randomized and counterbalanced over a 3-week period, with a minimum 48 h recovery between sessions. Statistical analysis employed repeated measures ANOVA (3 x 2) with Greenhouse-Geisser corrections. Results: Significant differences were observed in both protocols and time interactions for agility (F = 41.691, eta p(2) = 0.864, p < 0.001; F = 23.893, eta p(2) = 0.123, p < 0.001) and countermovement jump performance (F = 7.471, eta p(2) = 0.410, p = 0.002; F = 38.651, eta p(2) = 0.530, p < 0.001). The 80% post-activation potentiation protocol demonstrated superior performance outcomes compared to both specific warm-up and 100% post-activation potentiation protocols. Evening performances were generally better than morning performances for both agility and countermovement jump; however, the protocols/time interaction was not statistically significant (p > 0.05). Conclusions: The 80% post-activation potentiation protocol was most effective for enhancing both agility and vertical jump performance in judokas, with superior results observed during evening sessions. These findings provide valuable insights for optimizing warm-up strategies in judo competition, suggesting that lower-intensity post-activation potentiation protocols might be more beneficial than maximal loading, particularly during evening competitions.
dc.description.sponsorshipPrincess Nourah bint Abdulrahman University Researchers [PNURSP2025R145]; Princess Nourah bint Abdulrahman University Researchers Supporting Project; Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
dc.description.sponsorshipThis study was funded by Princess Nourah bint Abdulrahman University Researchers Supporting Project number (PNURSP2025R145), Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia.
dc.identifier.doi10.3390/medicina61030426
dc.identifier.issn1010-660X
dc.identifier.issn1648-9144
dc.identifier.issue3
dc.identifier.orcid0000-0002-6688-7914
dc.identifier.orcid0000-0002-5488-3158
dc.identifier.pmid40142237
dc.identifier.scopus2-s2.0-105001114772
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/medicina61030426
dc.identifier.urihttps://hdl.handle.net/11616/108512
dc.identifier.volume61
dc.identifier.wosWOS:001453459900001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofMedicina-Lithuania
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250329
dc.subjectagility performance
dc.subjectcombat sports
dc.subjectdiurnal variation
dc.subjectjudokas
dc.subjectpost-activation potentiation
dc.subjecttension load
dc.subjectvertical jump
dc.titleTime-of-Day Effects on Post-Activation Potentiation Protocols: Effects of Different Tension Loads on Agility and Vertical Jump Performance in Judokas
dc.typeArticle

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