Originally Posted by TennisCoachFLA
So why does anyone measure anything in any sport during development? Why run 40s, measure jumps, serve speeds, anything? Of course only wins matter at the higher levels. But you measure along the way to address weaknesses, measure development.
You maximize the physical tools each kid has, help them improve if they are slow, then let the intangibles decide which kids can turn those tools into wins. How can you tell your methods of making a kid faster are working with no measurements?
As long as they are not used to filter out kids, I suppose they are OK. But I suspect they will be used to reject kids, sooner or later.
Also, why not just observe matches to see if the kid runs fast or not? Or serves fast or not? What is the need to quantify?