Dyspraxia is when the brain has a hard time planning and carrying out moves that other people do without thinking — tying shoes, catching a ball, cutting with scissors, writing neatly, even getting food onto a fork. The arms and legs are usually fine; the stuck part is the “how do I do this?” step. It often shows in childhood and can last into adult life, and it can make school harder, not because the person is slow, but because handwriting, PE, and lining up the steps of a task take extra work. Doctors also talk about developmental coordination disorder, and people use the two names as if they were the same; they overlap a lot, though actually they are not a perfect match. It is not laziness, not “being bad at sport” as a personality, and not the same as a one-off clumsy day. It can sit beside other school difficulties such as dyslexia, which is why families sometimes bundle them together in loose talk. Teachers and doctors use it as a real medical name, not as a joke.

發展性協調障礙（臨床也說運用障礙）