Özgür ÖZKAYA, Ali GÜREŞ, Hakan AS, Bekir Muzaffer ÇOLAKOĞLU

Egzersiz Sırasında Enerji Tüketiminin Hesaplanmasında Yaygın Olarak Kullanılan Endirekt Yöntemlerin Karşılaştırılması

Bu çalışmanın amacı, Dünya Sağlık Örgütü (WorldHealth Organization; WHO) ve Amerikan Spor Hekimleri Derneği (American College of Sports Medicine;ACSM) tarafından önerilen formüle dayalı pratik enerjitüketimi hesaplamalarının istirahat metabolizma hızıve egzersize ait sonuçlarını solunumsal parametrelerleelde edilen enerji tüketimi düzeyleriyle karşılaştırmaktır.Çalışmaya 23,9±6,7 yaş ortalamasına sahip 35 sedanterkadın gönüllü katıldı (Boy: 166,6±6,10 cm; Vücut kütlesi(VK): 66,7±11,6 kg; Beden Kütle İndeksi (BKİ): 23,97±3,4kg·m–2). İstirahat analizlerinin ardından tüm grup BKİölçüm sonuçlarına göre normal (n=20) ve fazla kilolular(n=15) olmak üzere ikiye ayrıldı (BKİ sırasıyla 21,41±1,53kg·m–2 ve 27,39±1,76 kg·m–2). Her katılımcı için istirahatve 30 dakikalık 8 MET’lik egzersize ait toplam enerjitüketimi düzeyleri; hem O2 tüketimi değeri, solunumdeğişim oranına ait enerji eşitliği ve zaman üzerinden,hem de WHO ve ACSM eşitlikleri kullanılarak hesaplandı.İkili karşılaştırmalarda ilişkili guruplar t-testi kullanıldı.Yalnızca fazla kilolu kadınlarda ACSM (1928,64±256,61kkal) eşitliğiyle tahmin edilen istirahat metabolizmahızlarıyla solunumsal parametrelere dayalı olarak hesaplanan değerler (1868,99±223,17 kkal) arasındaki farklaranlamlı değildi (p=0,342). Normal kilolu kadınlarda WHOve ACSM eşitlikleriyle hesaplanan istirahat metabolizmahızı değerleri, laboratuvar ölçümlerine kıyasla oldukçadüşük bulundu (p=0.001). Otuz dakikalık egzersizlereait toplam enerji tüketimi düzeyleri için ne WHO ne deACSM eşitlikleriyle hesaplanan değerler, ne normal ne defazla kilolu kadınlar için toplam enerji tüketimlerini doğrutahmin edemedi (p≤0,019). Çalışmanın sonuçlarına göre,fazla kilolu kadınların istirahat metabolizma hızlarınıdeğerlendirmede (MET x 3,5 x VK (kg))1000 x 5 xt (dk) eşitliğininkullanılabileceği, ancak egzersizlere ait enerji tüketimidüzeylerinin belirlenmesinde solunumsal parametrelere dayalı analizlerin yapılmasının gerekli olduğudeğerlendirildi.

Comparison of Widely Used Indirect Methods in Calculation of Energy Utilization During Exercise

The aim of this study was to compare energy consumption results of resting metabolic rate and exercise obtained from World Health Organization (WHO) and American College of Sports Medicine (ACSM) and energy cost determined by respiratory parameters. 23.9±6.70 years old 35 sedentary females participated in this study (Height: 166.6±6.10 cm; Body mass (BM): 66.7±11.64 kg; Body mass index (BMI): 23.97±3.4 kg·m–2). Following resting measurements, participants were divided two groups such as normal weight (n=20) and overweight (n=15) based on BMI scores (BMI: 21.41±1.53 and 27.39±1.76 kg·m–2, respectively). Caloric costs of resting metabolic rates and total energy expenditures of 30-min exercises were analyzed based on both respiratory parameters such as O2 consumption, energy equivalent of respiratory exchange ratio and exercise durations and energy equations of WHO and ACSM. Paired samples t-test was used for statistical analyses. Results showed that there was no significant difference between resting metabolic rates obtained from ACSM equation and respiratory parameters for only overweight females (1928.64±256.61 vs. 1868.99±223.17 kcal; p=0.342). For the normal weight participants, compare to respiratory parameters, both WHO and ACSM equations underestimated the resting metabolic rate (p=0.001). Neither WHO nor ACSM could be predicted previously determined total energy levels of exercises based on respiratory parameters for both normal and overweight females (p≤0.019). In conclusion, only (MET x 3,5 x BM (kg)) 1000 x 5 xt (min) equation can be used to predict resting metabolic rates of overweight females. Moreover, analyzing of respiratory parameters is necessary to evaluate total energy expenditure of exercises.

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Başlangıç: 1990
Yayıncı: Süleyman BULUT

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