Çiğdem ÖZER, Şehri ELBEG, Gamze ERİKOGLU, Lamia PINAR, Zeynep TUNA, Latife Arzu ARAL, Ayşegül ATAK, Nevin GÜZEL ATALAY

Effects of an acute exercise up to anaerobic threshold on serum anabolic and catabolic factors in trained and sedentary young males

Amaç: Bu çalışmanın amacı antrene ve sedanter genç erkeklerde anaerobik eşiğe kadar yapılan aerobik egzersizin etkilerini araştırmaktır. Yöntemler: Katılımcıların kan örneklerinde İnterlökin-6 (IL-6), oksidanlar ve kortizol gibi katabolik faktörler ile testosterone, büyüme hormonu ve insülin benzeri büyüme faktörü-1 gibi anabolik faktörlerin düzeyleri ölçülmüştür. Bulgular: Anaerobik eşiğe kadar yapılan koşu egzersizinin her iki grupta da oksidanları arttırdığı fakat IL-6 düzeylerini etkilemediği görülmüştür. Ayrıca oksidanlar antrene grupta 24 saat içinde bazal düzeylere inmiştir. Kortizol miktarı egzersizden 24 saat sonra her iki grupta da bazal düzeyin dahi altına düşmüştür. Anabolik hormonlar ise, özellikle antrene grupta olmak üzere her iki grupta da egzersizden sonra artış göstermiştir. Sonuç: Antrene gençler egzersize, aynı yaş grubundaki sedanterlere göre daha hızlı anabolik ve katabolik adaptasyon göstermektedirler.

Antrene ve sedanter genç erkeklerde anaerobik eşiğe kadar yapılan akut egzersizin serum anabolik ve katabolik faktörlerine etkileri

Objective: The aim of the present study was to evaluate the effects of aerobic running exercise up to anaerobic threshold in trained (T) and sedentary (S) young males. Methods: The catabolic factors such as interleukin-6 (IL-6), oxidants and cortisol and the anabolic factors such as testosterone, growth hormone (GH) and insulin-like growth factor (IGF-I) were evaluated in blood serum of subjects. Results: It was found that running up to anaerobic threshold led to a significant increase in oxidants but not IL-6 in both groups. Indeed, oxidants returned to basal levels in 24 h in the T group. Cortisol decreased even below the basal levels 24 h after exercise in both groups. Anabolic hormones increased in both groups especially in the trained subjects after exercise. Conclusion Trained young people showed faster anabolic and catabolic adaptation to aerobic exercise comparing to age-matched sedentaries.

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