“Keep your eye on the ball!” (Note, it is the trying to keep your eye on the ball that seems to provide the benefit. If you study the actual motion of the eyes the last instants of motion basically don’t get tracked anyway.)
“Keep your eye on the ball!” (Note, it is the trying to keep your eye on the ball that seems to provide the benefit. If you study the actual motion of the eyes the last instants of motion basically don’t get tracked anyway.)