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.
This article is about the song. For the organization, see YMCA.  Y.M.C.A.  is a hit song recorded by American disco group Village People. It was released in 1978 as the only single from the album Cruisin' . The song reached No. 2 on the U.S. charts in early 1979 and reached No. 1 in the UK around the same time, becoming the group's biggest hit.