Diurnal Variations in Well-Trained Semi-Professional Soccer Players’ Performance in the Running-Based Anaerobic Sprint Test

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dc.contributor.authorKalyon, Zeliha Nur
dc.contributor.authorKurt, Cem
dc.date.accessioned2024-06-12T10:13:02Z
dc.date.available2024-06-12T10:13:02Z
dc.date.issued2021
dc.departmentTrakya Üniversitesien_US
dc.description.abstractObjective: This study examined whether there were diurnal variations in the running-based anaerobic sprint test (RAST) performance of semi-professional, male soccer players. Material and Methods: Participants included 25 people whose ages ranged from 18- 36 years old, (mean=20 years); weight ranged from 52-110 kg (mean=72 kg); mean height was 176.92±6.17 cm; experience playing soccer ranged from 5-22 years (mean=8 years); and average weekly training duration was 3-22 h (mean=6 h). Chronotypes were estimated using the Turkish version of the Horn-Östberg Morningness-Eveningness Personality Questionnaire. They performed RAST in a randomized study design using the Newtest Powertimer 300-series photocells twice, on two separate days, one week apart, either in the morning (8.30-10.00 AM) or afternoon (5.00-6.00 PM). Before each of test session; the air temperature and humidity; along with their oral body temperature and 24 h food intake data were recorded. Results? Paired t-tests were used to analyze differences due to the time of day in the RAST variables. Maximum power (p>0.05), minimum power (p>0.05), mean power (p>0.05), fatigue index (p>0.05), air temperature (p>0.05), body temperature, and caloric intake (p>0.05) did not differ in the morning and afternoon. Conclusion: In contrast to previous research, RAST performance showed no diurnal variations. A possible explanation could be attributed to the participants’ chronotypes conforming to neither the morning nor evening types. However, replicating this study with soccer players having an extreme morning or extreme evening chronotypes may lead to different results.en_US
dc.identifier.endpage22en_US
dc.identifier.issn1308-0938
dc.identifier.issn2146-8885
dc.identifier.issue1en_US
dc.identifier.startpage16en_US
dc.identifier.trdizinid491032en_US]
dc.identifier.urihttps://search.trdizin.gov.tr/yayin/detay/491032
dc.identifier.urihttps://hdl.handle.net/20.500.14551/13734
dc.identifier.volume13en_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.relation.ispartofTürkiye Klinikleri Spor Bilimleri Dergisien_US
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.titleDiurnal Variations in Well-Trained Semi-Professional Soccer Players’ Performance in the Running-Based Anaerobic Sprint Testen_US
dc.typeArticleen_US

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