What was the name of the fitness club for women only in the 1970's?

In the late 1970' early 1980's there was a women's only health spa,gym, fitness center in San Anotnio Texas. I would like to know the name of that clubWhat was the name of the fitness club for women only in the 1970's?could be a few... Barbara Ellen Fitness Salons were big in the 70's so was Spa Lady.What was the name of the fitness club for women only in the 1970's?YWCA