There are many alternative terms that can be used to describe gym classes, depending on the context and the specific activities involved. Some synonyms for gym classes include fitness classes, exercise classes, workout classes, physical education classes, aerobics classes, strength training classes, yoga classes, and Pilates classes. Each of these terms highlights a different aspect of the type of physical activity being offered, such as cardio, strength training, flexibility, balance, or mindfulness. Whatever your fitness goals or interests, there is likely a gym class that will appeal to you and help you achieve your objectives.