The learning curve for fitness courses is really a steep one. Apart from teaching the fundamentals of health and fitness, these courses help you grow as a professional who has an intricate knowledge of the various aspects of physical and mental health care. It can be a perfect way to begin a career as a gym instructor. However, if you do not want to step into the field of fitness training, you can still use the knowledge you have gained during this training at different times in life. Information about fitness workouts can be a great plus if you are planning to open a spa. A number of people turn up for traditional therapies offered at these spas especially for weight loss. The same is true of fitness training. Most people choose physical training and gyms to shed their extra pounds. After completion of certified fitness courses, a person is well versed in various aspects of healthcare and fitness. The therapies offered in a spa are focused on eliminating harmful chemicals from the body so as to be in a fit and vigorous state.