A device (20) for the acquisition and treatment of data linked to human energy consumption during daily activity and/or sporting practices, of the type constituted of at least one printing circuit (13) bearing, fixed integrally thereto, at lest one acceleration sensor element (15), a voltage generation element (17), an activation element (19) and at least one temperature sensor element (18), characterised by the fact that said device is positioned inside a shoe (12) and is fitted with at least one microcontroller element (16);
- said microcontroller element being suitable to both convert and process the signals supplied by the at least one acceleration sensor (15).