PORTABLE DEVICE COMPRISING AN ACCELERATION SENSOR AND METHOD OF GENERATING INSTRUCTIONS OR ADVICE

摘要

The invention pertains to a portable device comprising a housing, a display, astorage medium, at least one acceleration sensor, means for calculating anactivity parameter based on the signal generated by the acceleration sensor,storing the calculated parameter in the storage medium, and showing the samein the display. The said parameter is the Physical Activity Index (PAI) or aderivative thereof.