作者： Rouhani Z , Mottaghi Mr , Kianmehr M , Amiri M
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摘要: Salivary Immunoglobulin A has a leading role in the immune system of upper respiratory tract. The aim this research was to compare effect intensive morning and evening exercises on concentration immunoglobulin (IgA), cortisol, pH saliva teenage swimmers. This quasi- experimental nature. sample consisted 120 teenage-girl swimmers from high-schools Gonabad city. Out them, 20 girls were chosen through random convenient sampling method. subjects did their allocated swimming exercise samples collected before then immediately after. data analyzed SPSS software V.14 employing paired T-test. Maximum decrease IgA cortisol levels observed bouts, respectively, whereas largest increase level found set. salivary reduced significantly after compared noted exercise, other hand, there meaningful rise one (p=0.0001). Moreover, while decreased set set, meaningfully higher results showed that practices caused reduce which could influence onset infection