In this article, unless the context otherwise requires:

1. "Contract for health spa services" means a contract for membership in any health spa or for instruction, training, assistance or use of facilities primarily for physical exercise, weight control or figure development.

2. "Health spa" means an establishment which provides as its primary purpose services or facilities which are purported to assist patrons in physical exercise, weight control or figure development.

3. "Operating day" means any calendar day on which patrons may inspect and use the facilities and services of the health spa during a period of at least eight hours.