Back muscles are often easily overlooked by everyone. Many newcomers may just practice their arms at first. Back muscles are the second largest muscle group in human body after thighs. For bodybuilders who gain muscle, the back is the key to practicing the inverted triangle, which can be said to be an essential link. For people who lose fat, whether they are boys or girls, because they are large muscle groups, practicing back can improve basal metabolism, and practicing muscle groups can make you lose fat more efficiently, and

However, due to the principle of back force, it is often easy to make mistakes. In fact, the strength of the back needs a certain connection, otherwise it is easy to show the leverage. When Bian Xiao was exercising his back, he also found the feeling of exerting strength through many trainings, so he must practice more to find the feeling of starting.