Exercise machines and component parts therefor; component parts for exercise machines; exercise machines; manually-operated exercise equipment and machines for physical fitness purposes; Conducting fitness classes; Providing exercise classes and group fitness classes; Providing fitness classes, workout classes, and personal fitness training; Physical fitness studio services, namely, providing workout classes, personal fitness training, exercise classes, and group fitness classes; Physical fitness training services; providing a web site featuring on-line instruction and information in the field of physical exercise, exercise equipment, and exercise machines; providing a web site and online non-downloadable publications in the nature of articles in the form of social media posts featuring information about exercise machines, fitness and fitness classes