In any serious gym treatment program for a new student begins with medical examinations and a functional assessment. It is important to know if there is any impediment cardiovascular, joint and / or muscle to practice any physical activity. In bodybuilding is no different. This offers risks for individuals and as previously mentioned, there is another activity contraindicated and who can not or should not do certain exercises. For those who never did or are returning, it is important to note that the first adaptation to resistive exercises is neural, delaying about 16 weeks. This means that prescription, according to most authors, it should start training with sets of 15 to 20 repetitions, involving one or more joints and large muscle groups.At this stage, the proper enforcement, privacy and the handling with the apparatus, is most important, preventing the student, soon to become a person more full of vices, poor posture, certain false claims .. .