The invention relates to a system of analyzing and quantifying a user's posture and gait, characterized in that it includes a pair 10 of soles 11, 12 each provided with an electronic box 100, 101, 102, each box comprising: an inertial platform, a data processing module 120, 121, 122, a data storage module 130, 131, 132, a means of communication 140, 141, 142, a power source 150.
