The shoulder joint (lat. articulatio humeri) is one of the most complex and important joints in humans. He ties the arm to the torso. Its connection is formed by three surfaces: the two condyles of the humerus and the articular surface of the scapula. The configuration of the joint and its position on the body determines the shape of the skull, chest and shoulder girdle, therefore, when developing new types of gait and seating in vehicles, it is important to take into account the requirements of the shoulder joint. It is this that determines the ability to maintain body balance.
In addition, the shoulder joint is the basis of the entire upper limb. It is important to note that the shoulder joint cannot be classified as a cylindrical joint, since its trajectory is not spherical. That is, the shoulder joint has no points of contact and this