Anyone who has played competitive sports knows that there are days and times that you are fatigued, sore and in some cases, injured....

If you've watched a Major League Baseball game in recent years, then you've probably seen players looking at an iPad in the dugout before or after an at bat. Pitchers will look at video and the pitch data from data capture systems as they throw bullpens, get ready to pitch in games and some during games. These are just a few examples of non-verbal extrinsic feedback that is very prevalent in sports like baseball but is become more prevalent in other sports as well. Extrinsic

For baseball and softball players, fall can be an important time of year for college recruiting and/or to be seen by professional scouts....