It's been my experience that this is true and often goes both directions.
Originally Posted by tim_stl
I've come to believe that a lot of boxing and grappling experts (MMA types, for instance but not exclusively) could be done a world of good by a year or two of a decent weapon system. Alternately, I've a freaking LOT of weapon guys who have no clue what happens when their weapon isn't in their hands, believing the axiom that they can fight empty handed the way they do with a weapon ("the weapon is just an extension of the hand" bla bla).
Peace favor your sword,