Abstract
In order to reduction of burden the caregiver's body, we are researching and developing wearable auxiliary tool for behavior assistance. We have reported at our society. In this study, we compare using EMG and motion images under three conditions: "Do not use tools", "Use assist belt", "Use wearable auxiliary tool for behavior assistance ". As a result, the assistance method using the wearable auxiliary tool for behavior assistance was found to have the effect of reducing the burden on the trunk.