poriomania (pÅrâ³ Ä-Å-mÄnâ² Ä-Ä) [Gr. poreia, walking, + mania, madness]
1 Refers to the bowler's motion that ends with the start of the delivery. 2  arm-swing: The arc of the bowling arm and hand from the swing to the backswing. 3  arrows: Targeting arrows that appear on the lane 12 to 16 feet beyond the foul line. 4  Also called darts.
Of course, and as I discuss in my piece on The Myth of the A to C Swing and elsewhere in my Rethinking Hitting essays, it is debatable whether Linear Hitting and Extension Hitting describe the actual High-Level Swing; whether what they teach is what the best baseball and fast-pitch softball players actually do.he High-Level Swing. The High-Level Swing is the term that I use to describe the swings of the best baseball and fast-pitch softball players.