Do the Okinawans do something different in their sparring?There are a number of reasons why the Okinawan people are the longest lived humans on the planet. And Karate is a huge part of daily life.
Their method of kumite sparring is healthy.
But their full contact tournaments are very aggressive and realistic.
You dont have to train in a way that reduces your years, or quality of life. The Okinawan culture proves this.