India, Oct. 10 -- Training camps are where teams build on their strengths, systems and tactics. How they match-up with rivals can be gauged by results. But coaches also like to compare their players in non-match situations with other teams-indicating where the players stand vis-a-vis other teams.

To make such an assessment, the Indian hockey team had a joint training session with the Netherlands during its recent tour of Europe when they played against reigning world champions Belgium and Spain.

In the joint session at Arnhem, Netherlands, players from both teams had GPS devices strapped to their bodies which helped the coaches collect data, like distance covered by each player, acceleration and deceleration, sprint intensity etc and co...