He has approached that height a few times since, but has never equaled it. In the 2014 Commonwealth Games he jumped 2.21 meters, less than he was able to jump eight years earlier in the 2006 Commonwealth Games, when he first made a name for himself. The most obvious conclusion to draw from this is that when Thomas first competed in college in 2006, he had already had a great deal of training—both high-jump training and training to jump higher for dunking—so it was difficult for further training to make a big difference. If he had indeed never trained, there should have been much more
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Its interesting that in a book about practice. An example is provided of an athlete making no progress from practice. As well as his initial success is based on unproven practice
