Abstract
The purpose of this study is finding out the artisans' implicit knowledge by exploring their inner state. Finding out the secrets is important for skill training, which is in critical situation in this aging society. Especially, Kirigane, Japanese traditional art, needs successors who have enough skill and can hand down the implicit knowledge to posterity. Therefore the art needs the system which glows up successors easily and quickly. In this study, as a first step for developing such skill training system, we searched the inner state of artisans by measuring respiration, and myoelectric potential. We found the relationship between the rhythm of respiration and that of artisans' movement. We also found from electromyogram that non expert tends to overplus power of brachioradialis muscle.