In this article we present a mathematical model of the bipedal gait as well as the respective simulation of the joint movement that makes it possible.The data acquisition was carried out with the Tracker® software, and the dynamic simulation is presented in MATLAB® based on the obtained data.From this procedure, a perspective of the displacement generated by the lower train of the digitized human body is generated, which allows a study of the most concrete and successful movement for medical studies, since it allows the implementation of specialized designs and that meet specific characteristics in structures to reproduce the movement of the different joints.