Because of this muscular man, some of their muscles are too big, which will also lead to the limitation of body flexibility. And sometimes it's because of the traction between muscles. For example, biceps brachii is big and triceps brachii is also big, so triceps brachii will affect the strength of biceps brachii at this time. When we look at those boxers, we will find that their arms are often triceps brachii, but they are stronger because they mainly focus on swing strength. At this time, their bodies have not reached the perfect standard, and they don't look as beautiful as those bodybuilders.