Abstract
Recently in Japan, low back pain has become a serious problem. As a cause of low back pain is considered as a heavy weight or unnatural posture. So various studies that reduce the burden of the waist have been carried out. In this study, we develop the waist power assist wear using pneumatic rubber muscle. It is wearable device which consists of Mckibben type pneumatic rubber muscle and metal frame. And it assists extension behavior. We are measured EMG to ascertain the effectiveness of the device. As a result, the decrease in EMG could be confirmed, and the effectiveness of the device has been shown.
