Abstract
In Japan an increasingly aging society there is a growing need for preventive care. Since the gymnastics that was the purpose of health assistance in this study to conduct health assistance for the purpose of gymnastics continuation of the elderly using the robot partner, introduced the cooperation principle in utterance of robot in gymnastics support, in gymnastics and the robot was proposed to adjust the amount of speech. Ease of understanding of the description of gymnastics has become clear that increased by introducing a cooperative principle.
