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FUTBOLCULARDA SU PRAM AKSİ MAL BACAK EGZERSİZİNDE FARKLI YÜKLERİN GÜÇ VE ZİRVE LAKTAT KONSANTRASYONUNA ETKİSİ

EFFECTS OF VARIOUS LOADS ON POWER OUTPUT AND PEAK LACTATE CONCENTRATION DURING SUPRAMAKSİMAL LEG EXERCISE IN SOCCER PLAYERS

Journal Name:

  • Hacettepe Üniversitesi Spor Bilimleri Dergisi

Publication Year:

  • 2006

Key Words:

Keywords (Original Language):

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
The purpose of this study was to investigate the effects of various loads on power outputs and peak lactate (PLA) concentration during supramaximal leg exercise in young soccer players. 10 young male soccer players (age: 14,90± 0,32 years, height: 165,5 ± 8,55 cm, body weight: 52,40 ± 9,37 kg, VO^: 49,82 ± 4,37 ml.kg1.min1) voluntarily participated to this study. Subjects randomly performed Wingate Test (WanT) for three times with different loads (60 g.kgBW1 (L6.0), 67 g.kgBW'(L6.7) and 74 g.kgBW1 (L7.4)) with two days interval. Peak power (PP), average power (AP) and fatigue index (Fl) were calculated for each test. Lactate (LA) was measured during rest, end of the test (0 min.), 1st min., 3rd min. and every three minutes during recovery. During L6.0, L6.7 and L7.4, absolute and relative (W.kg1) PP (514,24 ± 125,47 W, 607,47 ± 186,89 W, 591,04 ± 189,91 W, respectively; p>0,05), AP (372,57 ± 89,88 W, 411,93 ± 92,03 W, 396,97 ± 91,22 W, respectively; p>0,05), and Fl (50,54 ±12,43 %, 50,53±12,63%, 44,15±22,50 %, respectively) were found similar (p>0,05). PLA values afterL6.0, L6.7 andL7.4, were found similar (10,78 ± 1,09 mmol.l ~\ 10,76 ± 1,97 mmol.l"', 10,70 ± 0,89 mmol.l \ respectively; p>0,05). PLA durations of Y6.0, Y6.7 and Y7.4 were found similar (6,0 ± 1,5 min., 4,66 ± 1,58 min., 6,00±2,13min, respectively; p>0,05). These results showed that, power outputs and La metabolism were not related with the selected loads during supramaximal leg exercises in young soccer players
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Abstract (Original Language): 
Bu çalışmanın amacı, genç futbolcularda farklı yüklerde yapılan supramaksimal bacak egzersizinin güç parametreleri ve zirve laktat (ZLA) konsantrasyonu metabolizması üzerine etkisini incelemektir. Çalışmaya 10 genç erkek futbolcu (yaş: 14,90 + 0,32yıl, boy: 165,5 + 8,55cm, vücutağırlığı: 52,40 +9,37kg, VO^: 49,82+ 4,37 ml.kg1.dk1) gönüllü olarak katılmıştır. Deneklere iki gün arayla rastgele sıra ile üç kez farklı yüklerde (60 g.kgVA1 (Y6.0), 67 g.kgVA1 (Y6.7) ve 74 g.kgVA1 (Y7.4)) Wingate Testi (WanT) uygulanmıştır. Her test için zirve güç (Zgüç), ortalama güç (Ogüç) ve yorgunluk indeksi (Yİ) hesaplanmıştır. Dinlenik ve testler sonrasında 0. 1. ve 3. dk ve sonrasında her 3 dk'da bir LA ölçülmüştür. L6.0, L6.7 ve L7.4'de mutlak ve vücut ağırlığına oranlanmış Zgüç (sırasıyla; 514,24 + 125,47 W, 607,47 + 186,89 W, 591,04 + 189,91 W;p>0,05), Ogüç (sırasıyla, 372,57 ±89,88 W, 411,93± 92,03 W, 396,97±91,22 W;p>0,05) ve Yİ (sırasıyla, % 50,54 + 12,43, % 50,53 +12,63, % 44,15 + 22,50) değerleri benzer bulunmuştur (p>0,05). Egzersiz sonrası ZLa değerleri arasında anlamlı fark saptanmamıştır (sırasıyla; 10,78 ± 1,09 mmolJ1, 10,76 ± 1,97 mmolf, 10,70 ± 0,89 mmolf; p>0,05). Y6.0, Y6.7 ve Y7.4'de ZLA süreleri arasında anlamlı fark saptanmamıştır (sırasıyla; 6,0 ± 1,5 dk, 4,66 ± 1,58 dk, 6,00 ± 2,13 dk; p>0,05). Bu çalışmanın sonuçları, genç futbolcularda supramaksimal bacak egzersizlerinde güç parametrelerinin ve kas La metabolizmasının uygulanan yüke bağlı olmadığını göstermiştir.
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