Athletes expose environment and considerable physical activity. Physical activity must be optimal because only these loads guarantee effi cacious functioning of athlete`s organism. But excessive physical and psychological loads are one from reason of sport trauma. Methods: 65 trained athletes (30 athletes of Greco-Roman wrestling (I group) and 35 athletes of Belt wrestling (II group)) (age 15-19 years) volunteered to participate in the study. At the same period of time 20 subjects (16-22 years) not engaged in physical training or sports activities were utilized as the additional control group. At 65 wrestlers study factors, that influence on sport result, typological orientation of central nervous system, quantity of sport`s traumas and adaptation`s shift by ECG, EhoCG, level general calcium, ..2+ , magnesium, iron of blood plasma. Results: Stigmas of dysplasia connective tissues (DCT) was at (60,0%) wrestlers, nidus of persistent infection at 26,1%. An abnormality of adaptation`s mechanism at top wrestler with DCT, especially in the presence of mitral valve prolapse, was more frequent than at athletes without DCT. Level of sodium and potassium was normal, but level general calcium and ..2+ was decrease on 5,2% and on 18,5%. Level of iron in blood serum was low than control group (15,5±2,5 mmol/l .<0,1). Evidence of shift depends on presence of DCT. Quantity of sport`s traumas was higher in I group than II group. It presents with rules belt wrestling (start of struggle with mutual clinch). This reduces risk traumas of shoulder, head and neck. Conclusion: Innate and acquired factors infl uence on the sport`s results. Peculiarity of connective tissues and peculiarity typological orientation of central nervous system occupy important please in the middle of innate factors, Morbidity, nidus of persistent infection and defect of nutrition occupy important please in the middle of acquired factors. Belt wrestling is less traumatic kind of wrestling and one may recommended for young people
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