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Genç Futbolcularda Yüksek Şiddette Yüklenme Sonrasında Toparlanma Dinamikleri

Recovery Dynamics Following High Intensity Exercise in Young Soccer Players

Journal Name:

  • Hacettepe Üniversitesi Spor Bilimleri Dergisi

Publication Year:

  • 2011

Key Words:

Keywords (Original Language):

Author NameUniversity of Author
Abstract (2. Language): 
The aim of this study was to compare recovery speed of selected physiological variables following to the supramaximal exercise in soccer players with respect to their playing positions. Totally 37 young soccer players voluntarily participated to the study (13-defenders, 13-midfielders, 11-forwards). Oxygen consumption (VO2) and heart rate (HR) values of the subjects were measured at rest, during the Wingate test and 20-minutes recovery period following the test. Furthermore, blood lactate (LA) concentrations were determined before, at the end and in 3 minutes intervals following the test. Maximal oxygen consumption (VO2max) and 4 mmol/L LA running speed were determined by administering modified-shuttlerun test in a 100m circular environment during which respiratory gases and blood samples were collected. Recovery percentages of VO2 and HR were determined by using following equation [(Test average – resting average) – (recovery minute average – resting average) x 100 / (test average – resting average]. Index of LA elimination speed was accepted as the half-life of peak LA (LAhf) arrived following to the test. One way ANOVA was used in order to test differences among positions. VO2max and running speed at 4 mmol/L LA were found similar among positions (p>0.05). In addition, recovery speed of VO2 and HR within the first three minutes and in the later periods of recovery were similar among playing positions (p>0.05). Also, there were no significant difference among positions in terms of LAhf. These results indicated that recovery dynamics following to the supramaximal exercise is similar among positions played in the field in young soccer players with similar aerobic training status.
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Abstract (Original Language): 
Bu çalışmanın amacı, supramaksimum şiddette yüklenme sonrasında bazı fizyolojik değişkenlere ilişkin toparlanma hızının farklı mevkilerdeki futbolcular arasında karşılaştırılmasıdır. Çalışmaya 13 defans, 13 orta saha ve 11 forvet olmak üzere toplam 37 genç futbolcu gönüllü olarak katılmıştır. Araştırma grubundaki sporcuların dinlenik, Wingate testi sırasında ve testi takip eden 20 dakikalık toparlanma döneminde oksijen tüketimi (VO2), ve kalp atım hızı (KAH) değerleri ölçülmüştür. Ayrıca, Wingate testi öncesinde, testin tamamlanmasının hemen ardından ve takip eden 3 dakikalık aralıklar ile kan laktat (LA) konsantrasyonları belirlenmiştir. Maksimum oksijen tüketimi (VO2maks) ve 4 mmol/L LA koşu hızı değerleri ise 100 m’lik dairesel parkurda uygulanan modifiye mekik testi süresince solunum gazlarının toplanması ve testin her yükhız aşamasının sonunda alınan kan örnekleri yardımıyla belirlenmiştir. VO2 ve KAH değerlerine ilişkin toparlanma yüzdesi aşağıdaki eşitlik yardımıyla belirlenmiştir. [(Test Ortalaması – Dinlenik Ortalama) – (Toparlanma Dakikasındaki Ortalama – Dinlenik Ortalama) x 100 / (Test Ortalaması – Dinlenik Ortalama)]. LA eliminasyon hızının göstergesi olarak ise test sonrasında ulaşılan zirve LA konsantrasyonunun yarılanma süresi (LAys) kabul edilmiştir. İncelenen değişkenler açısından mevkiler arasında fark olup olmadığı tek yönlü varyans analizi ile test edilmiştir. Defans, orta saha ve forvet mevkilerinde oynayan futbolcuların VO2maks ve 4 mmol/L LA koşu hızı değerleri benzer bulunmuştur (p>0.05). Aynı şekilde, VO2 ve KAH değerleri açısından toparlanmanın ilk 3 dakikası içerisinde (hızlı toparlanma periyodu) ve sonrasında (yavaş toparlanma periyodu) toparlanma hızlarının mevkiler arasında benzer olduğu saptanmıştır (p>0.05). Ayrıca, LAys değerleri açısından da mevkiler arasındaki fark anlamlı bulunmamıştır (p>0.05). Bu sonuçlar, aerobik antrenmanlılık düzeyi benzer olan müsabaka dönemindeki genç futbolcularda supramaksimum bir yüklenme ardından toparlanma dinamiklerinin mevkiler arasında benzer olduğunu göstermektedir.
FULL TEXT (PDF): 
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  • 3
93–103
  • Turkish

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