1. A method for precise, mobile acquisition of training data, the method comprising: determining sensor values in movement patterns via said mobile device that is fixed to a body segment; calculating training data from said sensor values using said mobile device; storing said training data in a first storage unit in said mobile device; selecting a sport exercise X with a set movement pattern and a training utensil Y, from sport exercises and training utensils via of the mobile device; recalling predetermined movement data, comprising the characteristic variables of set movement patterns of one said sport exercise X using one said training utensil Y from a second storage unit in said mobile device; determining raw sensor values using said mobile device in said set movement patterns of said sport exercise X using said training utensil Y, comprising acceleration and angular speed values; calculating reworked measurement values using said mobile device based on said predetermined movement data and said raw sensor values; calculating multiple training data using said mobile device, on the basis of said reworked measurement values.