One thing you need to keep in mind for sure is that over training is not going to help you in any way to get good muscles. It may well play its role in body injury but is not going to play role in building good muscles. Some bodybuilders are mistaken in this regard and think that exercising at high intensity and volume will let them having good muscles fast. Most important thing in bodybuilding is your regularity and consistency. Over training can easily lead you to get injuries and then stay away from bodybuilding for quite some time. Now this is bad. Most of the bodybuilders, when join gym, are ambitious and want to do something really big and something really fast. They start over training and one of the two things happens. Either they get injury and put a big gap in their training workouts or they become exhausted and get tired of this activity and as a result leave bodybuilding altogether. So good thing to do is to keep a balance in your training and maintain it regularly and consistently. Some of the areas where your weight lifting workouts do more harm than good are:
1- Overtraining may result in damaging your nervous system.
2- Overtraining may result in loss of appetite.
3- Undesirably having high blood pressure is also due to overtraining.
4- You may fall a victim of wild metabolism due to overtraining
5- Insomnia and exhaustion are also caused due to overtraining.
Different studies have proved that overtraining also results in disturbing hormone levels in our body. Now hormones also play a vital role in helping our muscles to grow fast and hence it is not desirable to mess with these hormones. Below are some of the impacts of overtraining on hormones:
1- Overtraining decreases level of testosterone in our body
2- Thyroxine levels are also decreased in the body due to overtraining
3- Cholesterol level in your body may get increased due to overtraining and remember, low testosterone level and high cholesterol level may be very dangerous for your body and can result in muscle loss.
4- Overtraining can seriously affect your immunity system and your body becomes less resistant to various viruses and bacteria. This is a significant loss of overtraining
5- You may fall victim of muscle cramps
So do training your body but never over-train it.