Investigation of the Relationship Between Neuromuscular Asymmetry and Linear and Multidimensional Running Performances in Soccer Players

Abstract

This study was carried out to investigate the relationship between neuromuscular asymmetry and linear and multi-dimensional running performances in soccer players. 62 volunteer male soccer players participated in the study. The research design consisted of 3 sessions with 24-hour intervals. In the first session, dominant, non-dominant and bilateral vertical jump and horizontal jump tests were applied and neuromuscular asymmetry level was determined. In the second session, linear running performance tests (10 m and 30 m sprint) were applied. In the last session, multi-dimensional running performance tests (COD and Illinois) were applied. The relationship between neuromuscular asymmetry and linear and multi-dimensional running performances was determined by the Pearson correlation coefficient. The dominant vertical jump values of the athletes 20.76±3.36 cm, horizontal jump 1.83±0.20 m, non-dominant vertical jump 20.84±3.49 cm and horizontal jump 1.86±0.17 m was found. Bilateral asymmetry rates of the athletes were found to be 10.83±7.81 in vertical jump and 6.25±5.28 in horizontal jump. No significant correlation was found between the vertical asymmetry rates of the athletes and their linear and multi-dimensional running performances (p>0.05). However, a significant correlation was found between horizontal asymmetry rates and multi-dimensional running performances of 30 m linear sprint (r=0.47), COD (r=0.65) and Illinois (r=0.63) (p<0.05). As the horizontal asymmetry ratio increases, it can be said that the linear and multi-dimensionel running performance of the athletes may be negatively affected. Therefore, it is recommended to include unilateral strength training more in favor of the missing side in order to reduce or eliminate the asymmetry rate.

Keywords

• Soccer
• Neuromuscular Asymmetry
• Linear Running
• Multi Dimensional Running
• Sprint

Futbolcularda Nöromüsküler Asimetri ile Doğrusal ve Multi Dimensiyonel Koşu Performansları Arasındaki İlişkinin İncelenmesi

Öz

Bu çalışma futbolcularda nöromüsküler asimetri ile doğrusal ve multi dimensiyonel koşu performansları arasındaki ilişkinin incelenmesi amacıyla yapılmıştır. Çalışmaya 62 gönüllü erkek futbolcu katılmıştır. Araştırma deseni 24 saat aralıkla 3 oturumdan oluşmuştur. İlk oturumda baskın, baskın olmayan ve bilateral dikey sıçrama ve yatay sıçrama testleri uygulanıp nöromüsküler asimetri düzeyi belirlenmiştir. İkinci oturumda doğrusal koşu performans testleri (10 m ve 30 m sürat) uygulanmıştır. Son oturumda ise yön değiştirmeli koşu performans testleri (COD ve Illinois) uygulanmıştır. Nöromüsküler asimetri ile doğrusal ve yön değiştirmeli koşu performansları arasındaki ilişki Pearson korelasyon katsayısı ile belirlenmiştir. Sporcuların, baskın dikey sıçrama değerleri 20,76±3,36 cm ve yatay sıçrama 1,83±0,20 m, baskın olmayan dikey sıçrama 20,84±3,49 cm ve yatay sıçrama 1,86±0,17 m olarak bulunmuştur. Sporcuların bilateral asimetri oranları dikey sıçramada 10,83±7,81 ve yatay sıçramada 6,25±5,28 olarak bulunmuştur. Sporcuların dikey asimetri oranları ile doğrusal ve yön değiştirmeli koşu performansları arasında anlamlı bir ilişki bulunamamıştır (p>0,05). Ancak yatay asimetri oranları ile 30 m doğrusal sürat (r=0,47), COD (r=0,65) ve Illinois (r=0,63) yön değiştirmeli koşu performansları arasında anlamlı düzeyde ilişki bulunmuştur (p<0,05). Yatay asimetri oranı arttıkça sporcuların doğrusal ve yön değiştirmeli koşu performansının olumsuz yönde etkilenebileceği söylenebilir. Bundan dolayı asimetri oranının azaltılması ya da ortadan kaldırılması için eksik olan taraf lehine daha fazla olmak üzere unilateral kuvvet antrenmanlarına yer vermeleri önerilmektedir.

Anahtar Kelimeler

• Futbol
• Nöromüsküler asimetri
• Doğrusal koşu
• Yön değiştirmeli koşu
• Sürat

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