Spontaneous Osteonecrosis Knee. A Relatively common cause of knee pain in women occurs when a segment of bone loses its blood supply and begins to die. This condition is called osteonecrosis, which literally means bone death.. More than 3 times as many women as men are affected; most are over the age of 60 years.
The first reported YMCA swimming bath was built at the Brooklyn (NY) Central YMCA in 1885. By the end of the year, it was reported that 17 Ys had pools. Pools then bore scant resemblance to the pools of today: The Brooklyn Central pool was 14' x 45' and 5' deep.
The World Alliance of YMCAs was founded in 1855 at its first World Conference, held in Paris. At that time, conference participants developed the YMCAâs first mission statement, the Paris Basis. Since then, the YMCAâs mission statement has been interpreted to reflect contemporary realities, first in 1973 with the Kampala Principles, and most recently in 1998 with Challenge 21. Challenge 21, adopted at the 14th World Council of YMCAs, Frechen, Germany, 1998 states that: