The Effect of Static and Dynamic Stretching Exercises on Repeated Sprint Performance in Young Football Players

Abstract

The aim of this study was to examine the effects of static and dynamic stretching exercises on repeated sprint performance in young football players. For this purpose, the study data were collected from 17 young football players from the youth teams of an amateur football team in Ankara. Football players participated in static stretching (SS) or dynamic stretching (DS) exercises on two different days randomly followed by a 6x30m Repeated Sprint Test (RST) applied with a 30-second rest interval after a 5-minute passive recovery. During the RST, best sprint time (BST), average sprint time (AST), total sprint time (TST) and percentage of performance decrement (PPD) were determined. Heart rate (HR) measurements during the warm-up and RST were also evaluated. The effect of SG and DG exercises on RST performance was determined by paired samples t-test. The t-test results showed that there was no significant difference between BST, AST, TST, and PPD values after SS and DS exercises (p>0.05). When the HR values during stretching exercises were examined, DS-HR values were found to be significantly higher than the SS-HR, however the HR values during the RST were similar. The results of this study indicated that although the physiological effects of SS and DS exercises before RST were different, this difference did not affect the RST performance outputs.

Keywords

• Warm-up
• Intermittent sprint
• Young athletes

Genç Futbolcularda Statik ve Dinamik Germe Egzersizlerinin Tekrarlı Sprint Performansına Etkisi

Öz

Bu çalışmanın amacı; genç futbolcularda statik ve dinamik germe egzersizlerinin tekrarlı sprint performansına etkisini incelemektir. Bu amaçla, çalışmaya amatör bir futbol takımının alt yapı takımlarında yer alan 17 genç futbolcu (yaş: 16.47±0.62 yıl, boy: 174.91±6.54 cm, vücut ağırlığı: 63.08±9.74 kg, vücut yağ %: 6.41±4.59%) katılmıştır. Genç futbolculara iki ayrı günde statik germe (SG) veya dinamik germe (DG) egzersizleri yaptırıldıktan sonra 5 dakika pasif dinlenmenin ardından 6x30m Tekrarlı Sprint Testi (TST) uygulanmıştır. TST sırasında en iyi sprint zamanı (EİSZ), ortalama sprint zamanı (OSZ), toplam sprint zamanı (TSZ) ve performans düşüş yüzdesi (PDY) değerleri belirlenmiştir. Isınma ve TST sırasındaki kalp atım hızı (KAH) ölçümleri de değerlendirmeye alınmıştır. SG ve DG egzersizlerinin TST performansına etkisi bağımlı gruplarda t-testi ile belirlenmiştir. Bağımlı gruplarda t-testi sonuçları, SG ve DG egzersizleri sonrasında uygulanan TST sonucunda EİSZ, OSZ, TSZ ve PDY değerleri arasında istatistiksel olarak anlamlı bir fark olmadığını göstermiştir (p>0.05). Germe egzersizleri sırasındaki KAH değerleri incelendiğinde, DG-KAH değerleri SG’den anlamlı şekilde yüksek [t(16)=-4,234; p<0.05], ancak TST sırasında ölçülen KAH değerleri benzer bulunmuştur (p>0.05). Bu çalışmanın sonuçları TST öncesi uygulanan SG ve DG egzersizlerinin fizyolojik etkilerinin farklı olduğunu ancak bu farklılığın tekrarlı sprint performans çıktıları üzerinde etkili olmadığını göstermiştir.

Anahtar Kelimeler

• Isınma
• Aralıklı sprint
• Genç sporcular

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