Platform as a service (PAAS) featuring computer software platforms for designing, providing, tracking, and managing athletic and fitness workouts, training and coaching plans, and nutrition plans; Platform as a service (PAAS) featuring computer software platforms for enabling fitness trainers, coaches and physical therapists to design, deliver, and track workouts and training for their clients online; Platform as a service (PAAS) featuring computer software platforms for allowing trainers, coaches, physical therapists, and athletes to access and view audio and video clips containing exercise demonstration and information about workouts; Providing temporary use of on-line non-downloadable software and applications for Exercise and fitness training and coaching; Providing temporary use of on-line non-downloadable software and applications for Use in an exercise and fitness training online platform; Providing temporary use of on-line non-downloadable software and applications for an internet-based strength and conditioning platform that enables coaches and athletes to distribute or receive high quality training programming, to track and monitor results, and to engage in a competitive sport-specific workout of the day; Providing a web hosting platform for use by others in the design and management of web content and enabling internet publishing, and for the purposes of allowing users to create, modify and manage webpages, to provide workout, fitness and exercise information, to manage a scheduling calendar, to build and configure workouts, to track fitness progress and workout statistics, to upload digital pictures, to manage workout plans, exercise plans, workout schedule, body composition and workout progress, to monitor, track and manage nutrition, to manage client billing, and to provide on-line training services; Providing a web hosting platform for exercise and fitness; Providing a web site featuring technology that enables internet users to create, bookmark, annotate, and publicly share fitness-related data, as well as providing health and fitness professionals with a subscription-based client management system; Software as a service (SAAS) services featuring software for designing, providing, tracking, and managing athletic and fitness workouts, training and coaching plans, and nutrition plans; Software as a service (SAAS) services featuring software for enabling fitness trainers, coaches and physical therapists to design, deliver, and track workouts and training for their clients online; Software as a service (SAAS) services featuring software for allowing trainers, coaches, physical therapists, and athletes to access and view audio and video clips containing exercise demonstration and information about workouts