<DIV><DIV>Peak fitness is a prerequisite for a competitive edge, and top motorsport teams routinely employ medics, psychologists, dieticians and even armed forces specialists to help drivers hone their performance. It&rsquo;s a different picture at national and club level, where poor preparation can blight potential. Here, however, a doctor who competes as a rally driver offers expert information on all aspects of physical and mental fitness, including diet, training, safety and medical regulations.</DIV>