4 Scientists have shown that an athletes bodys needs vary according to the type of sport. This research has helped top sports people to adapt their training programme and diet better to their particular needs. Running the marathon and cycling, for example, are endurance (耐力) sports and require a different parathion (硝苯硫磷脂) to that of a 100-metre sprinter. In some sports, changes in techniques have significantly improved performance.
5 But in any sport, a players success or failure results from a combination of both physical and mental abilities. Most coaches use psychological techniques to help their athletes cope with stress and concentrate on their performance. For example, the English football team listens to music in the changing rooms before a game to help the players relax and not feel so nervous. Before a difficult match, tennis players are encouraged to use visualization (相象) techniques to build confidence and this is almost as good as practice.
6 But as science, begins to dominate sport, are we in danger of losing sight of the heart of the competition, the sporting challenge? Whats more, are all these advantages fair?
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