Exercise the initial shoulder position from bottom to top
What if you want to grow up? -Red Star Years old, but in fact this number is conditional. Some people stop growing when they are 21 years old, and some stop growing when they are 18 years old-it all depends on puberty when the growth zone begins to ossify. In addition, even if growth has stopped, the accumulation of physical strength continues, the internal organs of adolescents are improving, and the muscle system will develop for a long time.