Even though it's generally considered as 1 muscle mass, it is 2 distinctive muscle mass areas: the crural diaphragm and also the costal diaphragm. Both of those Enjoy a role in how the lower rib cage expands all through breathing.※ 이용 방법: 홈페이지 - 인터넷뱅킹 - 인증센터 - 인증서 복사 및 관리- 하단의 인증서 관�