"Firing the knee" for more lower body power?
During my 13 year old son batting lesson his coach/instructor is trying to get him to use the lower body more and not open up his front shoulder to soon. (you all have heard the term "keep your head on the ball" which happen when you try to over swing or not using your lower body and the batter tries to get as much power out of his upper body.)
My son is still trying to grasp the concept of "firing the knee" I think the think that I heard his coach say is it the same push you get as throwing the ball. Now other than repetition of tee work along with not opening up the shoulders to soon, he is beginning to improve. (4 out of every 10 swings he is getting the timing of fire the knee and upper body move.)
What drill(s) do you use to help fire the knee so to speak
Yogi Berra was asked by a reporter "How do you catch a knuckle ball?" He came right back and said "When it stops rolling"