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Journals / Spor ve Bilim Dergisi / 2026 / Cilt: 4 Sayı: 1

Effects of an Incremental Exercise Test Protocol on the Excess Post-Exercise Oxygen Consumption (EPOC) Area Using the Trapezoidal Method

Artan Yüklenme Test Protokolünün Egzersiz Sonrası Oksijen Tüketimi (EPOC) Alanı Üzerindeki Etkisi: Trapezoidal Yöntem

Yaşar Tunç(Gazi üniversitesi spor bilimleri fakültesi)0000-0003-4467-8764
Gökhan Deliceoğlu(GAZİ ÜNİVERSİTESİ, SPOR BİLİMLERİ FAKÜLTESİ)0000-0003-2459-9209
Pages
110–127
Publication Date
2026-01-30
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

In conclusion, aerobic capacity plays a fundamental role in the recovery process in endurance sports, while sport-specific physiological demands related to energy systems lead to discipline-specific variations in EPOC components.

📌 3 Key Takeaways

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Objective & Hypothesis:This study investigated the effects of physiological variables obtained during and after an incremental exercise test protocol on the excess post-exercise oxygen consumption (EPOC) area by applying the trapezoidal method in different endurance sport disciplines (rowing, triathlon, and orienteering).
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Key Findings & Data:A total of 22 male endurance athletes with a mean age of 20.1 ± 2.3 years participated in the study.
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Conclusion & Impact:In conclusion, aerobic capacity plays a fundamental role in the recovery process in endurance sports, while sport-specific physiological demands related to energy systems lead to discipline-specific variations in EPOC components.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:EPOC · VO₂max · Oksijen Açığı

Abstract

This study investigated the effects of physiological variables obtained during and after an incremental exercise test protocol on the excess post-exercise oxygen consumption (EPOC) area by applying the trapezoidal method in different endurance sport disciplines (rowing, triathlon, and orienteering). A total of 22 male endurance athletes with a mean age of 20.1 ± 2.3 years participated in the study. All participants completed an incremental exercise protocol under standardized environmental conditions, and respiratory parameters were recorded using a portable gas analysis system (COSMED K5). During the exercise process, reference values, oxygen deficit, anaerobic threshold, respiratory compensation point, VO₂max, as well as post-exercise alactic and lactic phases were identified separately, and the oxygen consumption areas corresponding to each phase were calculated using the trapezoidal method. Data were analyzed using IBM SPSS version 26.0; normality was assessed with the Shapiro--Wilk test, and relationships between variables were examined using Pearson correlation and multiple linear regression analyses (p 0.05). In conclusion, aerobic capacity plays a fundamental role in the recovery process in endurance sports, while sport-specific physiological demands related to energy systems lead to discipline-specific variations in EPOC components.

Özet

Bu çalışma, farklı dayanıklılık spor branşlarında (kürek, triatlon ve oryantiring) uygulanan artan yüklenme test protokolü sırasında ve sonrasında elde edilen fizyolojik değişkenlerin egzersiz sonrası oksijen tüketimi (EPOC) alanı üzerindeki etkilerini trapezoidal yöntemi uygulayarak inceledi. Araştırmaya yaş ortalaması 20,1 ± 2,3 yıl olan toplam 22 erkek dayanıklılık sporcusu katılmıştır. Katılımcılar standart çevresel koşullar altında artan şiddetli egzersiz protokolünü tamamlamış ve solunum parametreleri Cosmed K5 taşınabilir gaz analizörü kullanılarak kaydedilmiştir. Egzersiz sürecinde referans, oksijen açığı, anaerobik eşik, solunum kompanzasyonu, VO₂max ile egzersiz sonrası alaktik ve laktik evreler ayrı ayrı belirlenmiş; her evreye ait oksijen tüketimi alanları trapezoidal yöntemle hesaplanmıştır. Verilerin analizinde IBM SPSS 26.0 programı kullanılmış; normallik Shapiro--Wilk testi ile değerlendirilmiş, değişkenler arasındaki ilişkiler Pearson korelasyon ve çoklu doğrusal regresyon analizleriyle incelenip anlamlılık düzeyi p 0.05). Sonuç olarak, dayanıklılık sporlarında aerobik kapasitenin toparlanma sürecinde temel bir rol oynadığı, enerji sistemlerine özgü fizyolojik taleplerin ise EPOC bileşenlerinde branşa özgü değişkenlik yarattığı belirlenmiştir.

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Cite This Article

Tunç, Y., Deliceoğlu, G. (2026). Effects of an Incremental Exercise Test Protocol on the Excess Post-Exercise Oxygen Consumption (EPOC) Area Using the Trapezoidal Method. Spor ve Bilim Dergisi, Cilt: 4 Sayı: 1, 110–127. https://ajindex.com/articles/1646597

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