[ Wearable activity trackers in the form of non-medical sensors/measurement apparatus, which is worn by or attached to ice hockey players and other sporting players, used to remotely monitor, measure and analyze those players' positioning, action or performance in ice hockey games/matches and other sporting games/matches; non-medical sensors/measurement apparatus, for use in tracking the wearer's activity and/or performance; communications devices used for local area network (LAN), namely com...