Posted by: coach () on Wed Nov 20 11:19:39 2002

If you look at major league hitters, most of them do not get to full
extension until after contact. You will find that the back elbow is tucked and L is made between the upper and lower arm. The lead arm is
is somewhat extended but this is a function of pitch location. The further outside the pitch is the more the lead arm is extended, and the further inside the pitch the more the lead arm is bent. You will also notice the the hands are in the palm up and palm down position. I will admit full extension does occur with all the great hitters but not until after contact.

If you look at still photos of Barry Bonds, Sammy Sosa, Luis Gonzalez, Moises Alou, Vladimir Guerrero, and others, you will see at contact they are not at full extension.

I wish I could post some picutres to show you proof. If you look at Jack's analysis of Sammy you will see he is pretty much dead on in describing what happens at contact.