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The final day of the 3rd IAAF World Coaches Conference began with a joke.
We will cover the science of brain endurance today," said Gunter Lange, Senior Manager for Education at the IAAF Development Department. "If this tires your brains, we apologise."
Neil Dallaway, a doctoral researcher in brain science at University of Birmingham, began the morning with 'The brain as performance limiting factor: Practical consequences for science based training', a presentation based on his research on combining physical and mental training to improve performance.
"Mental fatigue impairs performance," Dallaway told the 150 international coaches gathered on the final day. "A mind capable of pushing the body past perceived fatigue produces a better athlete."
He cited a study that compares two methods of athletic training. In one, an athlete simply works at their particular event. In the other, an athlete combines this event with cognitive activity to exert the mind as well.
The paradigm," Dallaway said, "has been to remove all mental tasks in order to enhance physical ones. Basically, runners only run.
However, we wanted to show that performance would increase if you trained with mental tasks, and took them away during testing to lessen the load on the athlete.
The study involved pre-testing on grip strength and running with a controlled group of physically capable subjects. Next, half the subjects would undergo six weeks of only physical training. The other half engaged their minds with word problems and psychological questions between physical exertion.
After the six weeks, Dallaway's team measured heart rate, grip strength and force between the two groups.
"We saw a 23 percent improvement for those who combined training," he said, "and only a five percent increase for those who didn't."
Many coaches proceeded to ask how they could apply these methods. Dallaway laid out three options.
There's the separate method," he said, "where an athlete trains cognitively at a separate time from their physical training. "Next is the concurrent method, where an athlete uses breaks from physical training to exert their brain, all in the same session.
"Lastly, there is the pre-fatigue method. This is where you tire out an athlete with cognitive training right before a workout, making them fight through fatigue
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