United States
In U.S. high school track and field, boys typically throw a discus weighing 1.6 kg (3 lb 9 oz) and the girls throw the 1 kg (2.2 lb) women's discus. Under USATF Youth rules, boys throw the 1 kg discus between the ages of 11-14, and transition to the 1.6 kg discus as 15-18 year olds. Girls throw the 1 kg discus as 11-18 year olds.
Under US high school rules, if a discus hits the surrounding safety cage and is deflected into the sector, it is ruled a foul. In contrast, under IAAF, WMA, NCAA and USATF rules, it is ruled a legal throw. Additionally, under US high school rules, distances thrown are rounded down to the nearest whole inch, rather than the nearest centimetre.
US high school rules allow the use of a solid rubber discus; it is cheaper and easier to learn to throw (due to its more equal distribution of weight, as opposed to the heavy rim weight of the metal rim/core discus), but less durable.
Read more about this topic: Discus Throw
Famous quotes related to united states:
“In the United States, though power corrupts, the expectation of power paralyzes.”
—John Kenneth Galbraith (b. 1908)
“Vanessa wanted to be a ballerina. Dad had such hopes for her.... Corin was the academically brilliant one, and a fencer of Olympic standard. Everything was expected of them, and they fulfilled all expectations. But I was the one of whom nothing was expected. I remember a game the three of us played. Vanessa was the President of the United States, Corin was the British Prime Minister—and I was the royal dog.”
—Lynn Redgrave (b. 1943)
“The city of Washington is in some respects self-contained, and it is easy there to forget what the rest of the United States is thinking about. I count it a fortunate circumstance that almost all the windows of the White House and its offices open upon unoccupied spaces that stretch to the banks of the Potomac ... and that as I sit there I can constantly forget Washington and remember the United States.”
—Woodrow Wilson (1856–1924)
“... the yearly expenses of the existing religious system ... exceed in these United States twenty millions of dollars. Twenty millions! For teaching what? Things unseen and causes unknown!... Twenty millions would more than suffice to make us wise; and alas! do they not more than suffice to make us foolish?”
—Frances Wright (1795–1852)
“Why doesn’t the United States take over the monarchy and unite with England? England does have important assets. Naturally the longer you wait, the more they will dwindle. At least you could use it for a summer resort instead of Maine.”
—W.H. (Wystan Hugh)