OG Wellness Sliding Up Board is suitable for use from the initial stage of rehabilitation in the hospital to home daily recovery. Users only have to place it on the bed or on the inclined stand, and the users can use their own body weight to train with a lower load than walking. The movement of the training is a squat-like that can train the quadriceps, gluteus maximus, hamstrings, calf triceps, etc., which are necessary muscle groups in daily life. Since the training is performed on bed, the users can train safely while reducing the risk of falls and the burden on medical staffs. In addition, because the load of self-weight training is low, the users can perform continuous training.