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.
3. 1  1. Play a back foot defense shot. When facing a fast bowler a back foot defense shot is an important element to avoid being called out. 2  2. Play a back foot leg glance. The trick to mastering this shot is all in the wrists. 3  3. Play a square cut. This powerful shot can help score lots of runs.  4. Play a back foot drive.