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.
At the youth level (Little League Baseball and Softball) there is no distinction between a baseball bat and a softball bat. A 30-inch youth bat is the same regardless of which sport it is used for. However, at the adult level noticeable and important differences between softball and baseball bats exist. As I will try to demonstrate on this page, adult baseball and softball bats are quite different.