Abdominal aortic aneurysm (AAA or triple A) is a localized enlargement of the abdominal aorta such that the diameter is greater than 3 cm or more than 50% larger than normal diameter. They usually cause no symptoms except when ruptured. Occasionally, abdominal, back, or leg pain may occur.
1 Height/Weight. 2  The most standard way to determine the size of a softball bat is by your height and weight. 3  Players who stand under four feet tall should use a bat measuring 26 to 29 inches in length. 4  Players between four and five feet will best benefit from a bat length of 29 to 31 inches.
The ball's color has changed over time: most leagues have switched from a white ball to a high-visibility optic yellow ball; some men's leagues still use the white ball. Bats. Bats in fastpitch softball come in various sizes and consist of wood, metal or other composite materials.