When performance takes place in a moving environment .
The performer is also moving , both tracking and previewing are essential ( as in the sport of fencing ) for obtaining critical environmental information. The overall goal of good tracking skills is for risk management of the competitive situation .
When performance takes place in a moving environment and the performer is also moving , both tracking and previewing are essential ( as in the sport of fencing ) for obtaining critical environmental information. The overall goal of good tracking skills is for risk management of the competitive situation .