Most of the beginners are confused as how often they can train their body parts in a week. People believe rest period of more than three days between your workout routine increases the chances of atrophy. They believe that atrophy begins after three days or 72 hours of exercise. That is why we can train the same body part after 72 hours. On the contrary, muscle recovers faster than you think. If you want to consume a health supplement, find out its legal status in the US.
Muscle soreness is not an indicator of muscle recovery. You may be surprised by this, but after training a muscle; it becomes ready for training after five hours. This line will surprise most of the old bodybuilders because they believed that theycould train a body part only twice a week. Moreover, your fitness trainer and you can understand that your muscles have completely recovered from the previous training or not, then you can train them.
There are several researches as well as examples, which have proved that by using nutritional supplements and proper training procedures, you can train body part more than three times. Athletes claim that they train their body parts two times are day and six days a week. Even after following this procedure, they have achieved phenomenal results in their respective games. They do not suffer from any kinds of muscle soreness or recovery issues.
Training
There will be no problem in training your body part daily provided you understand your body. If you are, training daily and making progress by using a foolproof training model, then it will brings awesome results. Training does not mean following the same old pattern for growth. Genuine information will help you to throw away the myths and prejudices, which you believed earlier. This will help you to try something new and this will show up in your muscle definition.
Selection of exercise
This is a million dollar question for most of the bodybuilders. Beginners in this field want to follow the exercise schedule of famous bodybuilders. Loads of information is on the Internet and nearly every article is claiming to reveal certain secrets about exercise. They will tell you about new research programs and secret ways to stimulate muscle growth. It is imperative to know about the legal status in the US of the health supplement you wish to use.
I have realized that most of the suggestions are revolving around particular exercises, which have generated positive results. They want to discuss only those exercises, which they have found effective to enhance the muscle mass.
Exercise selection is an important thing and it can make a framework for bodybuilders. They will be able to determine as which exercises are best for them. There are certain things, which you need to discuss with your physical instructor. Whatever exercise routine you follow, keep one thing in mind that productive training can be achieved by doing compound exercises and free weights. In the beginning, you are not supposed to exercise only on machines or isolation exercises.
Paul Petersen 
Conrad Armer