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Rydell:
The only high speed hinge in the the human body is the top hand (palm up) snapping around its forearm.(approx 75% of the bat speed) Just like hammering a nail from the side.
The only high speed hinge in the the human body is the top hand (palm up) snapping around its forearm.(approx 75% of the bat speed) Just like hammering a nail from the side.
From what golf literature are you getting this?