Charles, a varsity breaststroke swimmer during his time at Duke, said this new way of looking at locomotion and size validates a particular practice in swim training, though for a different reason.

• 查尔斯在杜克大学上学时曾是校队蛙泳选手，他认为这项理论可以解释在游泳训练中一项特殊的训练，虽然是以另外一个原因。