People, for whom is impossible to move, need a system for moving around. In most cases, people want to practice daily activities and feel independence, and due to this, people prefer to use manual wheelchairs instead of electrical ones. In the market there are several brands that are improving the mechanics of the wheelchairs, but there are not any brands that reduce the shoulder pain. Because of this, Sprint wanted to incorporate a new system to reduce the pain and create a new lifestyle plenty of activities. This improvement tried to enhance the physical endurance and the psychology of the user. Until now, the project improved the movement of the human but not the the good looking of the wheelchair. Due to this, this part of the project will focus in the welfare of the patient and it will try to obtain a fancy and functional design that incorporates a new comfort for the user. The study will focus in ergonomics, functionality and social aspects and it will improve the mood of the user.