Question:Is it necessary to train under the supervision of a doctor or other specialist?Key Points: Recreational activities have always been done for fun either socially or independently.Most computer-based software programs are intended for you to use on your own computer when it suits you.... But most of the software programs today are designed to be user-friendly and used in the comfort and privacy of your own home without any outside supervision.Many programs have a built in coach or teacher to help explain what you are doing in each exercise, why you are doing it, and how you are doing.