A method for establishing wireless communications connections between a plurality of sensors (20a-20n) of a motion tracking system and a computing apparatus of the motion tracking system, each sensor (20a-20n) being adapted for arrangement on a body of the user, comprising: processing, by the computing apparatus, radiofrequency signals received by the computing apparatus and transmitted by each sensor of the plurality of sensors (20a-20n), each radiofrequency signal including an advertisement package of the respective sensor; providing, by the computing apparatus, a plurality of received signal strength indicators, RSSI, per each sensor of the plurality of sensors (20a-20n) based on the processed radiofrequency signals; characterized by: computing and storing, by the computing apparatus, mean RSSI values, RSSI mean, based on the pluralities of RSSI so that a plurality of RSSI mean values is computed per sensor (20a-20n); computing, by the computing apparatus, velocities of change of RSSI mean, v RSSI, based on the pluralities of RSSI mean values so that a plurality of v RSSI values is computed per sensor (20a-20n); establishing, by the computing apparatus, the wireless communications connections between the computing apparatus and a set of sensors of the plurality of sensors (20a-20n) for which at least the following is fulfilled: the computing apparatus determines that at least some v RSSI values within a first time period of the plurality of v RSSI values of each sensor (20a-20n) of the set of sensors has a modulus greater than a predetermined minimum velocity; wherein the predetermined minimum velocity is equal to or greater than zero. processing, by the computing apparatus, radiofrequency signals received by the computing apparatus and transmitted by each sensor of the plurality of sensors (20a-20n), each radiofrequency signal including an advertisement package of the respective sensor; providing, by the computing apparatus, a plurality of received signal strength indicators, RSSI, per each sensor of the plurality of sensors (20a-20n) based on the processed radiofrequency signals; characterized by: computing and storing, by the computing apparatus, mean RSSI values, RSSI mean, based on the pluralities of RSSI so that a plurality of RSSI mean values is computed per sensor (20a-20n); computing, by the computing apparatus, velocities of change of RSSI mean, v RSSI, based on the pluralities of RSSI mean values so that a plurality of v RSSI values is computed per sensor (20a-20n); establishing, by the computing apparatus, the wireless communications connections between the computing apparatus and a set of sensors of the plurality of sensors (20a-20n) for which at least the following is fulfilled: the computing apparatus determines that at least some v RSSI values within a first time period of the plurality of v RSSI values of each sensor (20a-20n) of the set of sensors has a modulus greater than a predetermined minimum velocity; wherein the predetermined minimum velocity is equal to or greater than zero. computing and storing, by the computing apparatus, mean RSSI values, RSSI mean, based on the pluralities of RSSI so that a plurality of RSSI mean values is computed per sensor (20a-20n); computing, by the computing apparatus, velocities of change of RSSI mean, v RSSI, based on the pluralities of RSSI mean values so that a plurality of v RSSI values is computed per sensor (20a-20n); establishing, by the computing apparatus, the wireless communications connections between the computing apparatus and a set of sensors of the plurality of sensors (20a-20n) for which at least the following is fulfilled: the computing apparatus determines that at least some v RSSI values within a first time period of the plurality of v RSSI values of each sensor (20a-20n) of the set of sensors has a modulus greater than a predetermined minimum velocity; wherein the predetermined minimum velocity is equal to or greater than zero.