Online exercise-related videos are categorized into categories so that members can watch and follow the exercises directly in the health & fitness club, and it is an app that individuals can also use for home training.(All online videos are linked according to the policy using API. Please note that the copyright of the linked video belongs to the creator of each video, and the advertisement of the video is also given to each copyright holder.)1. Videos related to warm-up and stretching exercises are categorized so that you can easily follow warm-up exercises before and after exercise.2. In the video for each exercise part, you can check which part of the body is exercised in the image, so you can easily find the exercise for the part you want to exercise.3. Group (GX) exercises are classified as exercises that multiple people can watch and follow together, so you can use the smart TVs screen sharing function or beam project to increase the utilization.4. Exercises by purpose can be classified into exercise videos for specific purposes, so you can watch and follow the videos that fit the purpose of the exercise.In addition, you can register exercise videos directly in the local storage of your smart device or videos in the online app and use them in a classified state, or you can select your favorite videos and manage them separately.