This paper presents a method to measure the distances of the upper body, like the position used to perform a task with the aim to build an ergonomic plan that is carried out during processes manual freight which will contribute to increased productivity, reducing injuries diseases caused by human labor. This method is based on the real-time capture of the points of articulations (Joints) of the skeleton and its position in space ( x , y, z) by the SDK Kineckt libraries .