Our project aims to help people with muscular deficits regain greater autonomy in their daily lives through an exoskeleton designed for the arm. Two years ago, in reeducation, we met a hemiplegic man who had difficulty walking and moving his arm, despite the help of his wife and a physiotherapist. We shared with him and understood the challenges he faced on a daily basis. Later, our teacher asked us to make a science-expo project for our laboratory. Inspired by this meeting, we decided to design a device that could improve the lives of those in a similar situation.