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.
In fastpitch softball, the pitch is fast, there are nine players on the field at one time, and bunting and stealing are permitted. Softball rules vary somewhat from those of baseball. Two major differences are that the ball must be pitched underhandâfrom 46 ft. (14 m) for men or 43 ft(13.1 m) for women as compared with 60.5 ft. (18.4 m) in baseballâand that seven innings instead of nine constitute a regulation game.