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The authors analyzed functional condition of organism and peculiarities of fitness to work of sailors with the help of physical load during the campaign of surface vessel of special assignment in conditions of Polar region with complicated complex of unfavourable factors of environment. Index of physical efficiency and regulation of heart rhythm of the personnel in dynamic of 2-month campaign are analyzed. Connection between this data and regular sanitary exercises is explored. Influence of physical load as an independent training and in special program is estimated. The authors thought that the criterion of optimality is preservation of initial level of efficiency during the campaign. It is proved that wrong-running independent training may cause worsening functional condition of the organism.
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