Originally Posted by gplracer
This is worthless.
kid is ten.
This is the time to improve motor skills and ingraine stroke mechanics into his game. Running and doing sit ups at his level are not gonna make him great but grooving quality strokes will.
Spend your time teaching him to play the game worry about the fitness side of it when he is older and is moving onto competition more than learning. Right now court time is more important than anything.