Re: atemi is 90% of Aikido
Pressure point is a term often used in the literature interchangeably with vital point, acupuncture point, nerve point, etc.
Not everything has to be hit hard by the way. I have "buzzed" students with light force quite by accident. A lot has to do with the set up points and sequence. Deep nerve locations does make it very difficult on some people and I would never rely on striking them as the only way of setting things up-if they are on drugs they may feel nothing.