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Medical Aspects of Sport and Physical Fitness by J. G. P. Williams and P. Sebastian (Auth.)

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By J. G. P. Williams and P. Sebastian (Auth.)

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Thus, as far as skill is concerned, the degree to which it is developed is determined by the extent to which the individual has been able to form the appropriate c 26 PHYSIOLOGICAL ASPECTS functional connexions within the central nervous system necessary for the transmission of both sensory and motor impulses demanded by finely co-ordinated muscle action, and its realization depends on the total integration of the body's activities. This integration is affected by psychological factors which are discussed in the next chapter.

As the athlete enters the changing room he is feeling "keyed up". Already, as a result of thinking about the coming race, his hypophysis has been stimulated, and the neurohumoral "fight and flight" reaction has come into play. Adrenaline is being secreted under sympathetic stimulation, producing an elevated pulse, slight increase in respiration and vasoconstriction in the gut (this latter and perhaps the inhibition of the intestinal wall, being manifested by the well-known feeling of "butterflies in the stomach").

Rivalry, self-seeking and jealousy will more surely destroy it than any outside influences. This is not to say that there must be no star performers in a team—far from it, but the star must accept that it is his role in the team to be a star and realize his dependence on his colleagues, while the "feeders" must appreciate the importance of their own role in supplying the star with his opportunities. Every PSYCHOLOGICAL ASPECTS 45 team must have its leader, who is not necessarily its captain nor indeed its star, but to whom all the other members automatically defer.

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