The Effect of Dıfferent Phases of The Menstrual Cycle on Some Performance Parameters ın Female Athletes

Abstract

The aim of this study is to examine the effects of different phases of the menstrual cycle (MC) on certain performance parameters in female athletes. The study included 12 active female athletes aged 18–25 years (age: 21.58±1.44 years; height: 161.16±7.44 cm; body weight: 56.15±8.05 kg; body mass index [BMI]: 21.62±2.54 kg/m²; years of athletic experience: 10.83±2.12 years; training age: 10.66±2.05 years; competition age: 10.00±2.13 years; menarche age: 14.00±1.34 years). Tests assessing balance, vertical jump, anaerobic power, flexibility, strength, agility, speed, visual reaction (VR), and auditory reaction (AR) were conducted across the early follicular, ovulation, and luteal phases of the MC. The Borg Scale was used to assess perceived exertion (RPE) immediately after each measurement, and the Visual Analog Scale (VAS) was employed the following day to evaluate delayed onset muscle soreness (DOMS). Differences among variables were analyzed using repeated-measures ANOVA. Statistically significant differences were found between phases in vertical jump, speed, strength, flexibility, agility, total visual reaction time (VRT), mean visual reaction time (VRT), and RPE (p<0.05). However, no statistically significant differences were observed in body weight, BMI, balance, anaerobic power, AR, or DOMS parameters across phases (p>0.05). The findings suggest that performance variations in specific phases may be attributed to perceived exertion, the nocebo effect, hormonal fluctuations, various physiological responses, and mood changes. Notably, strength performance was observed to increase during the ovulation phase, while vertical jump, 30-meter sprint, flexibility, and agility performance were positively influenced during the luteal phase. Conversely, the early follicular phase was found to have negative effects on all performance parameters examined in this study.

Keywords

• Athletic Performance
• Female Athletes
• Menstrual Cycle
• Sports

Kadın Sporcularda Menstrual Siklusun Farklı Fazlarının Bazı Performans Parametreleri Üzerine Etkisi

Abstract

Bu çalışmanın amacı, kadın sporcularda menstrual siklusun (MS) farklı fazlarının, bazı performans parametreleri üzerindeki etkisinin incelenmesidir. Çalışmaya 18-25 yaşları arasında aktif spor yapan 12 kadın sporcu (yaş: 21,58±1,44 yıl; boy uzunluğu: 161,16±7,44 cm; vücut ağırlığı: 56,15±8,05 kg; beden kitle indeksi: 21,62±2,54 kg/m²; sporcu yaşı: 10,83±2,12 yıl; antrenman yaşı: 10,66±2,05 yıl; müsabaka yaşı:10,00±2,13 yıl; menarş yaşı:14,00±1,34 yıl) dâhil edildi. MS’nin erken foliküler faz (EFF), ovulasyon faz (OF) ve luteal faz (LF) arasında, denge, dikey sıçrama, anaerobik güç, esneklik, kuvvet, çeviklik, sürat, görsel reaksiyon (GR) ve işitsel reaksiyon (İR) testleri uygulandı. Her yapılan ölçüm sonrasında algılanan zorluk derecesini (AZD) değerlendirmek için Borg Skalası, ölçümden sonraki gün ise gecikmiş kas ağrısını belirlemek için Görsel Analog Skala (GAS) kullanıldı. Değişkenler arası farklılık repeated-measures ANOVA ile analiz edildi. Fazlar arasında dikey sıçrama, sürat, kuvvet, esneklik, çeviklik, görsel reaksiyon toplam (GRT), görsel reaksiyon ortalama süresi (GRO) ve AZD’de istatistiksel olarak anlamlı farklılık saptandı (p<0,05). Fazlar arası vücut ağırlığı, BKİ, denge, anaerobik güç, İR ve GAS parametrelerinde istatistiksel olarak anlamlı farklılık olmadığı saptandı (p>0,05). Elde edilen bulgulara göre, sporcuların belirli fazlarda performanslarının artmasının veya azalmasının, algılanan zorluk derecesi, nosebo etkisi, hormonal dalgalanmalar, çeşitli fizyolojik tepkiler ve duygu durum değişikliklerinden kaynaklandığı düşünülmektedir. Özellikle, OF’da kuvvet performansının arttığı, LF’de ise dikey sıçrama, 30 m sürat, esneklik ve çeviklik performansının olumlu yönde etkilendiği gözlemlendi. Buna karşılık, EFF’nin çalışmanın tüm performans parametreleri üzerinde olumsuz etkiler oluşturduğu tespit edildi.

Keywords

• Kadın Sporcular
• Menstrual Siklus
• Spor
• Sportif Performans

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