Denge Platformu Üzerinde Farklı Kapalı Kinetik Zincir Egzersizi Sırasında Cinsiyet ve Fiziksel Aktivite Durumunun Stabilite İndeksi ve Alt Ekstremite Simetrisi Üzerine Etkisi

Abstract

Alt ekstremite kaslarının koordinasyonu ve dengenin korunması, sportif performansın geliştirilmesinde kritik bir role sahiptir. Bu çalışmada, farklı kapalı kinetik zincir egzersizleri sırasında cinsiyet ve fiziksel aktivite düzeyinin stabilite indeksi ve alt ekstremite simetrisi üzerindeki etkisi araştırılmıştır. Araştırmaya yaşları 18-24 arasında değişen, 40’ı sporcu ve 40’ı sedanter olmak üzere toplam 80 gönüllü katılmıştır. Katılımcıların denge performansları TOGU Challenge Disc kullanılarak; öne hamle, yana hamle, tek bacak üzerinde durma ve tek bacak squat egzersizleri sırasında ölçülmüş; alt ekstremite simetrisi ise simetri indeksi (SI) ile değerlendirilmiştir. Elde edilen veriler bağımsız gruplar t-testi ile analiz edilmiştir. Bulgular, öne hamle, tek bacak duruş ve squat egzersizlerinde sporcuların sedanter bireylere kıyasla anlamlı düzeyde daha düşük stabilite indeksi değerlerine sahip olduğunu göstermiştir (p < 0,05). Cinsiyet açısından değerlendirildiğinde, erkekler bazı görevlerde kadınlara göre daha iyi denge performansı sergilemiştir. Asimetri analizinde, yalnızca tek bacak üzerinde durma egzersizinde negatif ve pozitif SI grupları arasında anlamlı fark tespit edilmiştir. Sonuç olarak, cinsiyet ve fiziksel aktivite düzeyine göre denge ve simetri göstergelerinde anlamlı farklılıklar gözlenmiştir; tek bacak duruş gibi görevlerin alt ekstremite asimetrisini değerlendirmede daha duyarlı olabileceği düşünülmektedir.

Keywords

• Alt Ekstremite
• Denge
• Kapalı Kinetik Zincir
• Simetri İndeksi
• Stabilite İndeksi

The Effect of Gender and Physical Activity Status on Stability Index and Lower Limb Symmetry During Different Closed Kinetic Chaın Exercises on A Balance Platform

Abstract

Coordination of lower limb muscles and balance control play a critical role in enhancing athletic performance. This study aimed to investigate the effects of gender and physical activity level on stability index and lower extremity symmetry during different closed kinetic chain exercises. A total of 80 volunteers aged between 18 and 24 years, including 40 athletes and 40 sedentary individuals, participated in the study. Balance performance was assessed using the TOGU Challenge Disc during forward lunge, lateral lunge, single-leg stance, and single-leg squat exercises. Lower extremity symmetry was evaluated using the symmetry index (SI). Data were analysed with an independent samples t-test. The results showed that athletes had significantly lower stability index values compared to sedentary individuals during forward lunge, single-leg stance, and squat exercises (p < 0.05). In terms of gender, males demonstrated better balance performance than females in some tasks. Asymmetry analysis revealed a significant difference between negative and positive SI groups only in the single-leg stance exercise. In conclusion, regular physical activity level and gender were associated with balance and symmetry outcomes, and single-leg stance tasks may be more sensitive for evaluating lower limb asymmetry.

Keywords

• Balance
• Closed Kinetic Chain
• Lower Extremity
• Stability Index
• Symmetry Index

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