His clan name was Kung, and Confucius is merely the latinized form of Kung Fu-tze, meaning " the philosopher or master K`ung."
But as far as the knowledge on Kung Fu or martial artial Arts is concerned it has very very little to offer in that area.
A person trained in Tai chi or Chi Kung is able to detect these energies through the hands.
The primary aim of Chi Kung is to prevent disease and promote longevity.
In Tai Chi Chuan Nei Kung we do use the half lotus, but otherwise this method is not relevant to our practice.