If you are keen to develop a career as a gym instructor, you can sign up for a face-to-face course or enrol online. This really depends upon personal choice as well as the sort of schedule you follow. The gym instructor training courses online are extremely convenient and as good as the physical ones. People who have routine jobs but are keen on fitness or want a change in profession often sign up here as this is an expedient option. You can continue with your work as well as pursue this course at your convenience. The teachers are well versed in their subjects and guide methodically; they willingly answer all your queries. Online forums are organized where discussions are held with peers as well as tutors so that all queries are solved satisfactorily. The gym instructor training course guides you on the usage of machines but also explains to you in detail about the sort of food that should be consumed, before and after workouts. Weight loss, muscle building, pumping iron and lots more is elucidated to you. Understanding different bodies is fundamental here; you must know how much to push a client in order to get the best results without causing any sort of injury. People with weak backs or knees require different training, and comprehending such minute details is vital for a superior-quality gym coach.