[Neutrophil phagocytic activity and the humoral factors of general and local immunity under intensive physical loading].

The comparative examination of 91 sportsmen under physical strain of different intensity and 30 healthy adults not active in sport has been made. A decrease in the functional activity of neutrophils in response to increasing physical strain has been revealed, which coincides with a drop in the levels of normal serum and secretory antibodies, immunoglobulins and lysozyme.