A number of fitness spas existed prior to this aerobic fitness movement, even a national chain with spas in most major cities.
在这种有氧健身运动出现之前，市面上已经有不少健身水疗会所，在大城市甚至有全国性的连锁机构。
2
Turning to the problems, there are a number of articles connecting online activity to falling levels of physical fitness, but it's too easy to blame the Internet for our social problems.
说到这些问题，有很多文章都把网上活动和体质下降联系起来，但把社会问题怪到互联网头上未免也太过轻率。
3
Fitness classes such as the Osteo Pilates program offered at Avalon Woods are specifically designed to accommodate a number of physical restrictions that tend to develop as our bodies age.